Answer:
America's involvement in World War II had a significant impact on the economy and workforce of the United States. ... American factories were retooled to produce goods to support the war effort and almost overnight the unemployment rate dropped to around 10%.
Explanation:
Alfred Wegener hypothesis of continental drift was replaced in 1967 by plate tectonics. Today, the theory of plate tectonics is widely, this theory explains the structure of the earth's crust and many associated phenomena as resulting from interaction of rigid lithospheric plates that move slowly over the underlying mantle.
The kingdoms of Portuguese and the Spanish were the first to sponsor voyages overseas.
A voyage is defined as a lengthy journey, frequently involving flying or sailing.
The Portuguese discovered the Atlantic archipelagos of Madeira and Azores, the coast of West Africa in 1434, and the sea route to India in 1498, which is often regarded as a very remarkable voyage because it established the Portuguese maritime and trade presence in Kerala and the Indian Ocean.
Ferdinand II and Isabella I, the Catholic kings of Aragon, Castile, and Leon in Spain, funded Columbus's transatlantic voyages.
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