Answer: b
Explanation: The federal governments main goal to help westward expansion was the homestead act and the construction of the transcontinental railroad.
Ulysses S. Grant was president from 1869-1877
1. Supported revolution in Panama (for the Panama Canal) = Theodore Roosevelt
2. Favored Dollar Diplomacy = William H. Taft
3. Intervened in Mexico = Woodrow Wilson
Answer:
Governments should be more involved solving economic problems.
A or b there is no wrong answer