Could you provide a summary of the following leadership topics:

1-Conflict Management and Resolution

1.1-Causes of Conflict

1.2-Approaches to Control/Manage Conflict

2-Communication

2.1-Verbal Communication (Presentations)

2.2-Written Communication (Emails, Memos, Reports)

2.3- Communicating with Nontechnical People

3-Presenting Difficult Messages

3.1- Positive Approaches to Offering Negative Messages