It was the Civil rights Act of 1866 that was passed by Congress to protect the voting rights of blacks in the South, although it wasn’t very effective, because it couldn't be enforced.
Explanation:
Cant be A because On May 13, 1846 the United States Congress passed An Act providing for the Prosecution of the existing War between the United States and the Republic of Mexico
Can't be B because Mexico did declared a defensive war against the U.S. on April 23, 1846.It would defend territories under the attack but would not take the offensive.
Can't be C because On April 25, 1846, a 2,000-strong Mexican cavalry detachment attacked a 70-man U.S. patrol that had been sent into the contested territory north of the Rio Grande and south of the Nueces River. In the Thornton Affair, the Mexican cavalry routed the patrol, killing 16 American soldiers.
Is D because can't find any information on this and the rest are true.
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Answer:The Industrialization allowed for better technological advances and better medical instruments. It allowed for better health and sanitation in very big metro areas. Communication and travel got better due to better vehicles and milk pasteurization cleaned milk
Explanation:
