D is the correct answer.
Pickett's Charge was led by General Pickett of the traitorous Confederate Army at the Battle of Gettysburg on the Third and Final Day of the Battle.
Pickett led his troops across farm fields but his forces were forced into choke points along fences and summarily cut down by the American Army's cannon fire.
The charge failed and the traitorous Confederate Army retreated back to Virginia, marking a major turning point in the war.
The bubonic plague caused one third (1/3) of Europe's population to meet their painful demise.
Answer:
Civil Service Act
competitive examinations
Explanation:
The Civil Service Act of 1883 presents the federal vision to guarantee federal jobs on the basis of merit. This act has replaced the spoil system in which the job of federal employees were depending on the loyalty towards the political party. A new system of competitive exam ensured that jobs of federal employees no more depend on the political leaders.