Lobbyists.
Committee staff may influence congress by granting or withholding legislation. Organizations can also influences members of congress in the same ways.
George W Busch
New legislation and the budget are the two major tools Congress has to influence decision making in federal agencies.
Congress is paid by the government, which means that taxpayers ultimately cover the salaries and expenses of Congress members. Their salaries and benefits are determined by legislation and are public record.
by overriding a presidential veto with a two third vote
true
No. Congress passes legislation.
I believe you are referring to the "State of the Union Address." But presidents are always trying to influence congress, and they often give speeches and policy addresses about the priorities they would like to see turned into laws.
Congress passes the legislation while the president can sign or veto it.
The president does indeed have the ability to influence legislation before it is submitted for his or her signature. The president can attempt to persuade members of Congress privately, and/or the president can take his or her case directly to the American people, and hope citizens with pressure their congressperson.
As a change in the number of representatives (in Congress) directly changes the amount of power a state has in the House of Representatives, such a change would affect that state's power in getting legislation passed.
The Speaker of the House is considered the most powerful member of Congress because they lead the House of Representatives, set the legislative agenda, and have significant influence over the direction of legislation.