The correct answers are
Create, alter, or repeal laws- The main focus of the legislative branch in America is to make national laws.
Assess and regulate taxes- The legislative branch was given the ability to tax in the US Constitution. This shows up several times, including in the 16th amendment which allows for federal income tax.
oversee the US Government Printing Office and coin more money.
Declare war on China- Only Congress (aka the legislative branch) has the ability to declare war. The US cannot go to war officially without their approval.