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In the 1800s, the introduction of mass production led to
a) conflict among workers in labor unions.
b) equality between workers and the wealthy.
c) a decrease in the need for skilled workers.
d) a decrease in the use of child labor.

The correct answer is: "a decrease in the demand for skilled labor".

The sucess of the Industrial revolution and the development of the factory production model increased the demand for unskilled workers. Many of those came from overcrowded unproductive agricultural works in the countryside, and had moved to cities seeking for a better way of life.

Production processes were divided in many simple steps therefore, learning how to perform efficiently one of those steps, did not require very high qualifications.

Explanation:

an economic reason that the south needed a reconstruction plan is that plantations, factories, and other businesses were destroyed during the war.

the assassination of president lincoln was just one part of a larger plot to decapitate the federal government of the u.s. after the civil war. the first reaction to lincoln’s death was disbelief. then it quickly changed to grief. abraham lincoln’s death created an outpouring of grief from citizens in both the north and the south.

explanation:

lincoln was the first u.s. president to be assassinated. president abraham lincoln, america’s civil war leader, was assassinated just five days after confederate general robert e. lee surrendered his army at appomattox court house, ending the four-year war between the states. on the evening of april 14, 1865, lincoln was attending a performance of our american cousin at ford’s theatre in washington, d.c. john wilkes booth – a 26-year old actor, confederate sympathizer, and white supremacist – slipped into the presidential box and shot lincoln in the head. john wilkes booth and his conspirators had initially planned to kidnap lincoln to save the confederate states. but as the confederacy faltered, booth’s thoughts turned to murder. booth may have decided to act on his hatred after lincoln endorsed giving the right to vote to african-american men who had served in the union army.