Hello can someone help me please? This is for U. S Government

Part A: Write claims and supporting evidence statements based on the following free-response question:
"Both party leadership and committees in Congress play key roles in the legislative process.
(a) Define two of the following elements of the congressional committee system and explain how each influences the legislative process.
* Specialization
* Reciprocity/logrolling
* Party representation on committees
(b) Identify two ways party leadership in Congress can influence the legislative process, and explain how each way influences the process.