Frederick Taylor introduced principles of “scientific management” which managers in the late 1800s embraced for improving production in factories, and which is better known as this.

As immigration into large American cities increased through the 1800s, the building of more and more of this became necessary, done on the cheap, and often leading to overcrowding and the easier spread of disease.

In 1905, the Russian Empire was humbled by this nation, which made that country a force to be reckoned with and greatly influenced the way new 20th Century weapons would be used in the coming World War.

These members of Congress had pressured Abraham Lincoln to prosecute the South as a whole after the war ended, and would come to oppose many of his Reconstruction measures that had been designed for leniency.

This law, written by Lincoln, was passed into law by Congress in 1862 and allowed anyone over the age of 21 a right to own 160 acres for a small fee, and helped kickstart American migration west.

White Southerners who resented the extreme aspects of Reconstruction enforced by Republicans and who wished to fight and end Reconstruction and roll back those policies were known as what?

This order, which was announced in 1862 and became official in 1863, declared all slaves in Confederate states free, though it did not legally affect slaves in states that were still loyal to the Union.

The Great Sioux War of 1876 allied multiple tribes of Plains Indians against the US military in their attempt to take possession of this landscape after gold had been found there.

This sickness swept through both America and the world at large in the immediate wake of the end of World War One, resulting in more than 600,000 American deaths being attributed to it from 1918 to 1919.

Radcliffe College, which was founded in 1879 as a college for women, was established in Cambridge, Massachusetts and was known as this, until it was later assumed into the college officially in the 1990s.