It seems that you have missed the necessary options for us to answer this question, but I hope this answer helps. Anyway, during the first years of World War II, the U.S. government changed its foreign policy and in September 1939, President Roosevelt declared his commitment to U.S. neutrality. But by September 1940, he supported "all aid (to Allies) short of war", and the one that caused this change is this: <span>The Axis seemed to be winning the war. Hope this helps.</span>
There were protests mainly against police brutality and systemic racism. Much like the MLKJr movement for the equality of people in the U.S. this was also followed with a small amount of unrest. But they are justified in what they want from the country and they have every right guaranteed by the constitution to assemble and protest.
The U.S. economic system of free enterprise operates according to five main principles: the freedom to choose our businesses, the right to private property, the profit motive, competition, and consumer sovereignty. also known as capitalism.