Answer:
OC, Maintaining Global Peace
Explanation:
United Nations organization was created to prevent future world wars.
<u><em>Native Americans</em></u> and <u><em>Europeans</em></u> were great explorers in the 1490's. <em>Europeans</em> adventurers came to a continent that was an unknown place to them. They saw it as an entirely new territory, with new species to discover. They met new people with surprising ways of living and a totally new culture and beliefs. <u><em>Native Americans</em></u> also arrived at different times, over several thousands of years. They traveled from Asia on foot or by boat, crossing the Bering Strait. Their explorations took them through icy landscapes, deserts, forests, swamps and along the coastlines. After some time, these <u><em>native American</em></u> explorers spread out over the entire continent, until the territories of Patagonia, in the extreme south. Adventure and conquest of new land was one characteristic that <em><u>Europeans</u></em> and <u><em>native Americans</em></u> had in common at that time.
Answer:
Constantine embraced Christianity. —> Christianity expanded in Rome.
In 1862, Congress passed the Pacific Railway Act, which authorized the construction of a transcontinental railroad The first such railroad was completed on May 10, 1869 Four of the five transcontinental railroads were built with assistance from the federal government through land grants.
