The main factor that led to the stock market crash of 1929 was the inflated and baseless valuation of companies in the stock market, based on unwarranted optimism.
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Congress had to approve of military appointments.
The War Powers Resolution was made so that the President of the United States could not commit to an armed conflict without the consent of the Congress.
D) Increased immigration in industrial areas.
By 1890, production by factories in American had grown eight times larger than what it had been before 1860. A large part of the workforce came from immigrants coming to the United States and settling in cities, looking for jobs. Ireland was one example of a country from which many immigrants came, looking for work in America, after the devastation of famine in Ireland (especially from potato crop failures).
While the United States began conventional bombing of Japan as early as 1942, the mission did not begin in earnest until mid-1944. Between April 1944 and August, 1945, an estimated 333,000 Japanese people were killed and 473,000 more wounded in air raids. A single firebombing attack on Tokyo in March 1945 killed more than 80,000 people. Truman later remarked, “Despite their heavy losses at Okinawa and the firebombing of Tokyo, the Japanese refused to surrender. The saturation bombing of Japan took much fiercer tolls and wrought far and away more havoc than the atomic bomb. Far and away. The firebombing of Tokyo was one of the most terrible things that ever happened, and they didn't surrender after that although Tokyo was almost completely destroyed.”
In August 1945, it was clear that conventional bombing was not effective.
Answer:
The definition of federalism is straightforward: it is the federal principle or system of government. Throughout history, it has been a political system where 2+ governments share authority over the same geographical area.