B - Spain in the US signed the Adams Onis Treaty to allow Florida to become a US territory.
The Adams-Onis treaty signed in 1819 (also known as the Floriday Treaty) ceded Florida to the US.
Explanation:
Domesday Book is the most complete survey of a pre-industrial society anywhere in the world. It enables us to reconstruct the politics, government, society and economy of 11th-century England with greater precision than is possible for almost any other pre-modern polity.
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Athenian Democracy had the council of five hundred and American Democracy has a government.
Although there were many people during this time who asserted that scientists should rely on what they can observe with their senses and emphasized the need for experimentation, the best option is "<span>a. Francis Bacon," since he was a major leader in the field. </span>