How many africans are believed to have been sold into slavery during the trans-atlantic slave trade?

Over 9,000,000

Explanation:

It is difficult to establish how many people were sold into slavery during the four centuries that the practice lasted. It is believed that about 1.2-2.4 million Africans died during their transport to America. However, about 12 million slaves were bought and transported. Moreover, many more people died in Africa during the capture or the long journey to sea.

the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.

sense of self-interest