The difference between endothermic and exothermic reactions lies in the words themselves. "Thermic" refers to heat, just as in the word "thermometer." "Exo" means "outside" and "endo" means "inside." Thus, an endothermic reaction pulls heat into an object or area, while an exothermic reaction expels heat.
Answer:
In the early 1800s, many people in the United States migrated westwards because of the availability of farmland.
Explanation:
The US government made policies to encourage the move of American citizens to the west of the country.
For example, the government giving lands to people that had the willpower to move to that side of the country.
<u>Sharecropping</u> is an arrangement with a land owner who rents out their land to a farmer for the payment of a percentage of the crop instead of cash.
<em><u>The land owner</u></em> get 50% of the profits without effort or risk.
If the crop failed, <u><em>the sharecroppers</em></u> could not pay off the loan for the seed. <u><em>The sharecroppers</em></u> then were in debt to the landowner at the start of the next growing season. The result was that <u><em>the sharecropper</em></u> though free were enslaved to the landowner by the debt
The correct answer is: "<em><u>The sharecroppers were benefited least from a sharecropping arrangement, they did all of the work, took all of the risks, and got very little in return</u></em>".
Well, based on just this quote and no other background information, I believe what they mean is that [whoever they're talking to] needs a certain number of votes (3/4 majority vote) from congress in order to get congressional approval for whatever it is he or she needs the votes for.