The Judicial Branch. The Judicial Branch is the most powerful branch for a couple different reasons. First, the Judicial Branch has the power to declare the acts of the congress un-constitutional, and can declare acts of the executive branch, un-constitutional.
C) US paid fifteen million for land in the Mexican cession
1. The automobile was an affordable way for Americans to travel. Many Americans had automobiles before the had a proper toilet. 2. The economic "boom" was called the Roaring Twenties. The contributing factors were automobiles, movies, etc. 3. President Coolidge believed in Federalism.
I hope that I got that right. :)
It kept people moving, enabling them to share their personal belief systems.
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