Question

The legislative branch has the power to

enforce law

declare war

judge trials

veto bills

Answer 1

B. declare war.

The main job of the Legislative branch of the US government, is to create new laws. They do this by proposing, introducing, writing, and voting on the laws of the nation.

Other powers include:

Override of the President's veto (by a two-thirds supermajority)
Generate new taxes
Declare war
Confirm all presidential appointments, Supreme Court justices
Borrow money on credit
Regulate international and interstate commerce
Coin/print money and and regulate the value
Provide punishment for counterfeits
Establish post offices
Raise and support armies and navy
Impeach and potentially convict the President of the U.S.

also.. read here:
http://www.whitehouse.gov/our-government/legislative-branch

"Established by Article I of the Constitution, the Legislative Branch consists of the House of Representatives and the Senate, which together form the United States Congress. The Constitution grants Congress the sole authority to enact legislation and declare war, the right to confirm or reject many Presidential appointments, and substantial investigative powers."

hope this helped :)