Based on the sources and your knowledge of U. S. History, why did Roosevelt think it was necessary to have Japanese Americans placed in internment camps

Because the Americam people were worried that they'd be spies for the Japan. Even though most if them being born in America

tenochtitlan (also spelled tenochtitlán), located on an island near the western shore of lake texcoco in central mexico, was the capital city and religious centre of the aztec civilization. the traditional founding date of the city was 1345 ce and it remained the most important aztec centre until its destruction at the hands of the conquering spanish led by hernán cortés in 1521 ce, which led to the final collapse of the aztec empire.

a. poison gas was sprayed over battlefields by airplanes to weaken enemy positions before major attacks.