Answer:
1. Secondary source2. New york3. About 6 million
Explanation: just did it trust me
American ships became targets of attack by 1917 because Americans continued to trade with the warring nations.
At that time, the american vowed that we adopt a non-interventionist policy during the war time. But when we continue to trade with warring nations, other nations viewed it as we supplying materials and supplies to one of the nations that involved in the war. This is why american ships became targets of attack.
Answer: Japan's military was better trained and equipped.Japan adopted Western military technologies and training methods.
Explanation: hope this helps ;)
Roosevelt’s political experiences before presidency include:
Governor of New York (1929-1932)
Assistant Secretary of the Navy (1913-1920)
New York State Senator (1911-1913)