Answer:
The expansion of the railroads in the late 1800s was instrumental in helping the US economy boom. It did this in two ways. First, the railroads created a tremendous amount of demand for goods and labor on their own. As the railroads were being built, they needed huge numbers of people to build them.
All of the crusades were under the title of "holy war". For a holy war to happen, it had to be sanctioned by the Pope and waged against enemies of Christianity. Therefore this trip to Jerusalem was a pilgrimage because participants would kill non-Christians.
I believe it was in Somalia
Spain spent much of the 1920s under the dictatorship of Miguel Primo de Rivera, and the economic hardships caused by the Great Depression intensified polarization within the Spanish public. Labor unrest was widespread in the early 1930s, and the election of February 16, 1936, brought to power a leftist Popular Front government. Fascist and extreme-right forces responded in July 1936 with an army mutiny and coup attempt that expanded into a civil war.
