Answer:
A. increasing the time it took immigrants to gain the right to vote.
Step-by-step explanation:
The Naturalization Act was a law enacted on the 26th of March, 1970 by the Congress of the United States of America to set the uniform rules for granting citizenship of the United States of America by naturalization.
Basically, it affected the blacks, native Americans, slaves, asians, indentured workers (servants) by limiting their naturalization.
Additionally, the Naturalization Act of 1970 affected the political process by increasing the time it took immigrants to gain the right to vote.