If there were 20,528 voyages made by ships and 12 million slaves, how large was the average human cargo aboard a ship?

According to article 2, what was george washington's major concern about the rebellion in massachusetts?

Interest groups representing businesses and investors are often among the most successful lobbying groups for all of the following reasons, except a. such groups have the financial resources to mount sustained campaigns on their own behalf b. these groups' members contribute heavily to many legislators' campaigns and in so doing gain greater access to legislators c. these groups have often been in existence for decades, allowing them to both master the legislative system and develop close ties with legislators d. the members of these groups make up the majority of voters in many districts

How did the economic impacts of the great depression differ in the united states and in the soviet union?