During the twentieth century, considerable effort was expended by Western nations to support democratic and western-friendly governments in developing nations.

gold discovery in california, and pioneer settlers were sometimes pulled west because they wanted to make a better living. others received letters from friends or family members who had moved west. these letters often told about a good life on the frontier. the biggest factor that pulled pioneers west was the opportunity to buy land.

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president reagan was a good presidant and should be presidant if he was still alive

explanation:

  b.

there are isolated pockets of farming, generally around rivers and oases, which are used for irrigation.