The arid southwest where the ancestral puebloans existed comprised of southeastern Utah, northeastern Arizona, northwestern New Mexico and southwestern Colorado. Their knowledge of celestial sciences contributed to them adapting their housing to building materials available, like constructing small family grass-thatched pit houses and cliff-sited dwellings for defence. Some of them included grass and stone.
<span>The most crucial aspects of the environment in
Northern Africa in terms of affecting early cultures was the desert
climate, which made living conditions very difficult. This forced many
civilizations to live near the Nile River, which was a vibrant source of
life. </span>
<span>(If it was in this time January 24, 1848 – 1855) it's </span>Cause when there is more people looking for gold, there will be less gold to get.
But if not in 1848 – 1855, it cause <span> immigration laws were passed restricting immigration from Asia, the reasons are the same as the fears of Mexican immigrants now-that they would take jobs and provide an inexpensive workforce that would keep wages low. There were also fears that they wanted to take over land on the west coast. It was called the "yellow peril" and evidence of how people give in to irrational fears.</span>
Mediterranean Sea, an intercontinental sea that stretches from the Atlantic Ocean on the west to Asia on the east and separates Europe from Africa.