Answer:
C. Its effects stopped all advancements in science and medicine for the next two centuries.
Explanation:
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The main aim of the Northwest Ordinance of 1787 was to stipulate how new states would be created.
The Knights of labor was the largest and one of the most important American labor organizations of the 1880s. It was founded on the 28th day of December in year 1869 by Uriah Stephens. They promoted the producers ethic of republicanism and demanded the eight-hour day, rejected socialism and anarchism and encouraged the social and cultural uplift of the workingman. In 1880, the organization reached 28,000 members and even gained more members to 100,000 in 1884. But in 1893, the knights of labor declines its membership because of public pressure, power vested in reformist factions, and employers' unwillingness to arbitrate.
Imperialism, nationalistic pride and mutual alliances all played a part in building tensions that would erupt into war. World War I, which lasted from 1914 until 1918, introduced the world to the horrors of trench warfare and lethal new technologies such as poison gas and tanks.
Answer:
Mostly Iran!
Other countries are Iraq,turkey, syria
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