The 19th,24th, and 26th amendments were all important additions to the Constitution because they

It's D!

Explanation:

The 19th Amendment extended the right to vote to all female citizens of the United States, while the 26th gave suffrage to 18 year olds. The 24th Amendment eliminated the poll tax, which was designed to keep African Americans from voting in the south. All of these expanded the democratic ideal to include more of the U.S. population than ever before.

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answer; the federal reserve system;

the correct answer is a