Answer:
The acquiring of the territories gave the United States justification to send out immigrants into those territories and settle the land along the trails created by traders and trappers beforehand. These immigrants and other workers then set up the Transcontinental Railroad to facilitate trade and transport back and forth from the west coast to the east.
The Tang Dynasty of China when faced with rebellion from General An Lushan in their northern territories sought outside support from mercenary forces. This was done a number of times during the rebellion, these mercenaries were typically Arab, however, we also have examples of soldiers brought from Uighur to fight with the Tang and numbered in the thousands in the fight against Lushan's forces.
With the help of mercenary forces, the Tang were able to take back several important capital cities of China and effectively eliminated the rebellion of Lushan, as well as his later supporters and successors.
C. the assassination of the Archduke.
Movements for civil rights in the United States include noted legislation and organized efforts to abolish public and private acts of racial discrimination against African Americans and other disadvantaged groups between 1954 and 1968, particularly in the southern United States.
Moses took a important role by taking God's Chosen people (aka Israel) to the Promised
Land. Unfortunatly he died before they got there, but he still took them out of Egypt!
