Oftentimes it is "removing barriers to trade" that motivates countries to join regional trade blocs, since members of such "blocks" have completely free trade with one another.
Answer:
Explanation:
The work in the south was farming. To maintains these big farms you needed a lot of people to do the work. Since hiring people costs a lot of money they usually bought slaves to do the work for them because it was cost proficient. The north focused more on industry working and factories so people had a lot of jobs and there wasn't really a big need for slaves. That's why when the north wanted to abolish slavery the south didn't agree because most of their farms were maintained by slaves. Thus the Civil War happened.
They show the most important substances as it can show how they reac in a chemical and how they are able to react
Answer:
The Himalayas
Explanation:
The huge mountains kept people from trading