Answer: D
Explanation:
The 15th Amendment to the U.S. Constitution granted African American men the right to vote by declaring that the "right of citizens of the United States to vote shall not be denied or abridged by the United States or by any state on account of race, color, or previous condition of servitude.
<span> Around 7000 B.C.E agriculture was developed
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The use of iron and steel is very much common in most of the infrastructure being built today. The new methods developed for the production of these essential metals have helped hasten and loosen the supply for the demand. By that, buildings have sufficient supply of these metals.
