Automotive was a huge development in 1950s and was important because it was a area we were slacking on.
During the age of imperialism, European countries competed
to gain new territories to acquire markets and resources to gain wealth and
influence. The more territories one
country control the more powerful their influence grew in world politics and
created conflict as some countries saw others as a threat. When the war ended, many countries were
devastated as lives were lost and the economy suffered. This was especially true to those on the
losing. After many demands were placed
on them, they grew angry and as a result this laid the seeds for the Second
World War.
Pioneer settlers were sometimes pulled west because they wanted to make a better living. The biggest factor that pulled pioneers west was the opportunity to buy land.
Manifest destiny was caused by the fact that the American people were historically connected to English civilization, this gave them a sense of superiority over the other peoples who lived in North America. Because of the fact that they were white and civilized, the Americans felt superior to the Indians.
Answer:
So much so that carbon emissions from coal in the U.S. electricity sector are more than 50% lower today than just a decade ago. This is a result of the declining economics of coal power plants due to low natural gas prices, increasing numbers of low-cost renewable plants, and more stringent environmental regulations.