All of the choices given were invented before 1840 except for the zipper. The zipper was invented in 189. The correct answer is B.
In 1955, the Warsaw Pact was created by the Soviet Union together with its affiliated communist Eastern Europe nations. Because of this, the political division in Europe was formally established. The main objective of the Warsaw Pact is to defend its member nations from enemy attacks.
A dialysis machine<span> replaces your kidneys when you can longer properly use them.
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States used all of the following to prevent Native Americans from voting except <span>a. jail terms. The Snyder Act of 1924 was passed to admit Native Americans born in the US as full US citizens. However, even though the Snyder Act made them US citizens, they weren't permitted all of their rights as citizens. One of the rights withheld from them by local states was voting.</span>
This statement is false. The Preamble comes at the beginning of the document.
