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 assassination of the Austrian Archduke
Answer:
bauxite, coal, iron ore, copper, tin, gold, silver, uranium, nickel, tungsten, rare earth elements, mineral sands, lead, zinc, diamonds, natural gas, petroleum
Explanation:
The answer is A, Christianity spread through the works of missionaries.
