Explanation
The business analyst should review the version control history to understand which user stories were modified by the project lead. Version control is a system that records changes to a file or set of files over time so that you can recall specific versions later. Version control can help track who made what changes, when, and why.
It can also help compare different versions, merge changes, resolve conflicts, and restore previous versions.
The business analyst should use a version control system to store and manage their user stories in a repository and review the version control history to see the edits made by the project lead. Reviewing the approval history is not a good option because it would only show who approved or rejected the user stories, not who modified them or how. Reviewing the change sets history is not a good option because it would only show what metadata components were deployed or retrieved between orgs, not what user stories were modified or how. References:
https://trailhead.salesforce.com/en/content/learn/modules/org-development-model/get-to-know-org-development

Explanation
A process map is a visual representation of a business process that helps to engage stakeholders, identify improvements, and start the change process. By creating a process map, the business analyst can understand the current state of the process, identify pain points and opportunities for improvement, and communicate the findings and recommendations to the stakeholders. A process map also helps to initiate the change process by providing a baseline for measuring the impact of the proposed solutions.
References:https://trailhead.salesforce.com/content/learn/modules/salesforce-business-analyst-certification-prep/

Explanation
This answer states that using a somewhat detailed process map that is easy to remember and self-explanatory is what the process map should look like for documenting the process of importing leads from a spreadsheet into Salesforce for new interns at Universal Containers. A somewhat detailed process map means that the BA includes enough information to describethe main steps, inputs, outputs, and decisions of the process, but not too much information that might overwhelm or confuse the new interns. A somewhat detailed process map can help the BA to make the process easy to remember and self-explanatory by using simple language, clear symbols, and logical flow. A somewhat detailed process map can also help the BA to provide an effective training tool for the new interns.

This answer states that organization edition and license type are the information that the BA needs to determine the features and functionality that UC can implement without additional costs for purchasing additional Salesforce licenses. Organization edition is a version of Salesforce that provides a set of features and functionality based on the needs and size of an organization, such as Essentials, Professional, Enterprise, Unlimited, etc. License type is a category of user access that determines what features and functionality a user can access within an organization, such as Salesforce Platform, Salesforce, Customer Community Plus, etc.
Organization edition and license type are the information that the BA needs to determine the features and functionality that UC can implement without additional costs because they define the limits and capabilities of UC's Salesforce environment, and they affect the pricing and availability of additional licenses. References:
https://trailhead.salesforce.com/en/content/learn/modules/salesforce-business-analyst-quick-look/use- stakeholder-engagement-skills

The most appropriate subject matter expert (SME) to confirm the current business process and elicit deeper understanding of CK's goals, opportunities, and pain points is the supply chain manager. The supply chain manager is responsible for overseeing the flow of goods from the warehouse to the customer, and has the most knowledge and insight into the current business process. The supply chain manager can also provide valuable feedback and suggestions for improving the business process and achieving the desired outcomes.
The sales manager and the chief financial officer are not directly involved in the business process of moving orders from the warehouse to the customer, and may not have the same level of expertise or interest as the supply chain manager. References: Customer Discovery, Get Started with Salesforce Business Analyst Certification Prep, Cert Prep: Salesforce Business Analyst