Answer: C. Booth supported the Confederacy
Answer:
suspicions of sedition and for overall interest of national security
Explanation:
Japan bombed Pearl Harbor which brought the United States into WW2. Some basic geography shows that Japan is west of the US in the Pacific Ocean. At the time, many Japanese immigrants (most of them were born in the United States) lived on the west coast in California. If Japan launched an invasion, the US was worried they would recruit or use Japanese immigrants as soldiers or spies.
The canals good could could now be shipped directly. Rivers provided faster chapter and more efficient.
The domino theory was believed that if one country went communist, the rest of the countries around them would also join them and be communist. In the vietnam war however, the domino theory was the basis of containment for the United States. This containment strategy was to stop communist aggression in South East Asia. I hope this helps!