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The Atlantic Charter was a joint declaration released by U.S. President Franklin D. Roosevelt and British Prime Minister Winston Churchill on August 14, 1941 following a meeting of the two heads of government in Newfoundland. The Atlantic Charter provided a broad statement of U.S. and British war aims.
The correct answer is:
An understanding of the number and size of leftover planetesimals in the early solar system.
The giant-impact hypothesis proposes that the Moon was created out of what was left of a collision between Earth and an astronomical body the size of Mars, around 4.5 billion years ago, in the Hadean eon. The heavy bombardment was a period when leftover planetesimals hit planets during the solar system's first hundred million years.
Exodusters was a name given to African Americans<span> who migrated from states along the Mississippi River to Kansas in the </span>late-nineteenth<span> century, as part of the Exoduster Movement or Exodus of 1879. It was the first general migration of blacks following the Civil War.</span>
... "The powers not delegated to the United States by the Constitution, nor prohibited by it to the states, are reserved to the states respectively, or to the people."
The main reason why Russia signed a non-aggression treaty with Adolf Hitler is because they wanted to avoid getting involved in Germany's war with Britain and France, although hitler quickly broke the pact.