By allowing items to get to the us quicker
Capitalism is not a system of government, but an economical system - so it can't be the correct answer.
The correct answer is" republic" - in a republic people don't exercise their power directly, but choose representatives and this is the case in the US (the representatives are for example the Congress and the President)
The correct answers are 2, 3, and 5
B, advocate. Being an advocate means you speak out for it, or that you show your support for something.