This statement is False.
There are many other factors that must go into account when considering the climate of an area, and for that reason, the statement is incorrect. We can mention factors such as the location's proximity to the equator, humidity, proximity to the ocean, altitude and more as more important than those cited in the sentence.
It gave them water to grow plants then able to build houses and ect.
Red Scare was the name given to the widespread fear of suspected Communists and radicals in the United States after World War I. The correct option among all the options given in the question is option "A". The first Red Scare happened in the United States during the 20th century and the reason was hyper nationalism in respect to World War I.