The passage of the tenure of office act of 1867 was just one instance in a long line of
struggles for power between the president and the congress
unconstitutional presidential power grabbing
impeachment trials
arguments over presidential policy

Option A.

Explanation:

Struggles for power between the president and the Congress , is the right answer.

The Tenure of Office Act was a federal statute of the United States that was designed to reduce the power of the U.S. President to eliminate several office-holders without the consent of the Senate. This law was enacted on 2nd March 1867, over the veto of Andrew Johnson, the then President of the United States. It indicated to refuse the president the power to expel any executive leader who had been designated by the president with the recommendation and permission of the Senate unless the Senate confirmed the dismissal through the next full sitting of Congress.

answer; ///relational devaluation;

answer; automatic fire suppression system;