What factors most contributed to delays in construction for the central pacific railroad

What audio technology was used to direct troops on a battlefield in the revolutionary war?

What was the relationship between changes in scientific thought and in philosophy in seventeenth and eighteenth century europe?

Pennsylvania coal miners went on strike in 1902. How did Thoedore Roosevelt's response illustrate a change in the governments role?

Define separation of powers and checks and balances in a way that shows the difference between the two terms

When did the US-Mexican War officially end? A. April 21, 1836 B. February 2, 1848 C. February 2, 1858 D. February 23, 1836 E. March 2, 1846

Why did ottoman sultan Create the janissary

During Ashoka's reign, many stone columns were built alongside roads for what purpose? 1) to display propaganda for Ashoka 2) To provide territorial markets of the mauryan empire 3) the distinguish the agricultural lands from the residential areas

What happened in 1821 that encouraged the further development of Western trade routes, some of which crossed the Oklahoma Territory?

Which event forever changed trade along the silk road? A. The siege of Jerusalem in 1099 B. The fall of the Byzantine Empire to the Ottoman Turks in 1453 C. The discovery of the Americas in 1492 D. The Reconquista in Spain in 1492

Why are people from around the world making sure the Holocaust is not forgotten?