Within a week after the passage of the Voting Rights Act of 1965, African Americans in several cities a rioted. b assumed public office. c reelected President Johnson. d moved to the suburbs.

B. assumed public office

Explanation:

Within a week after the passage of the Voting Rights Act of 1965, African Americans in several cities "assumed public office."

To assume public office means taking up responsibility, which African Americans did immediately after the Voting Rights Act of 1965 is passed by the United States Congress.

Option A is not correct because African Americans did not riot.

Also, option C is not correct because President Johnson was reelected in 1964

Option D is also not correct because African Americans did not move to the suburbs.

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.

“a committee reviews the bill and marks it up to make it more viable and to reflect interests