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.
Thomas Edison's invention of the light bulb brought incandescent light into millions of homes. This was in 1879.
Answer: Thomas Edison
joy; live
To take China over and take all the trade places
A. Decline of cotton agriculture in the south
The transatlantic slave trade was really a triangle. Here's a map to show the approximate routes. The trade was brought about to benefit the economy of Caribbean nations and Europe. The slaves were forced into awful conditions; cramped boats and harsh climates with which to toil away picking cotton or whatnot.