Answer:
Explanation:
The Adams-Onís Treaty of February 12, 1819, also known as the "Transcontinental Treaty," which settled border disputes between the United States and the Spanish Empire, proved vital to the nation's security. The most significant element of the treaty was Adams's insistence that the boundary be extended to the Pacific .
<span>World War 2 fostered civil rights by helping to break down the barriers </span>
