How do quotas act as barriers to trade?

One specific historical event or development during the period 1786-1861?

How different might ayuba's experiences of slavery have been had he been sold in jamaica rather than maryland?

Which of the following is the main reason early new england had villages rather than cities? 1. the area did not have ports for trade. 2. not many people lived in new england at the time. 3. new england did not have the natural resources to support cities. 4. the settlers set up new england with villages for religious reasons.