Correct: The answer is b. Indigo has been highly prized since antiquity because it dyes all fabrics, does not fade with time, and yields tints ranging from light blue to the darkest purple-blue.

Incorrect: The answer is b. Indigo has been highly prized since antiquity because it dyes all fabrics, does not fade with time, and yields tints ranging from light blue to the darkest purple-blue.

1. What is the primary use of indigo?

Correct: The answer is c. By the first half of the eighteenth century, Europeans had established indigo plantations in their American colonies, eliminating the need to import indigo from Asia.

Incorrect: The answer is c. By the first half of the eighteenth century, Europeans had established indigo plantations in their American colonies, eliminating the need to import indigo from Asia.

2. In the first half of the eighteenth century, where was most of the Indigo used in Europe grown?

Correct: The answer is a. American independence left South Carolina outside Britain’s mercantilist system; the slave rebellion in Haiti in 1791 decimated some of the world’s richest indigo producers; and Britain’s continental blockades cut off Spain and France from their colonies.

Incorrect: The answer is a. American independence left South Carolina outside Britain’s mercantilist system; the slave rebellion in Haiti in 1791 decimated some of the world’s richest indigo producers; and Britain’s continental blockades cut off Spain and France from their colonies.

3. Which of these contributed to a shift in the geography of the indigo trade in the late eighteenth century?

Correct: The answer is c. Conflicts over indigo cultivation in Bengal helped produce new political coalitions that marked a key step in the growth of nationalism in the region.

Incorrect: The answer is c. Conflicts over indigo cultivation in Bengal helped produce new political coalitions that marked a key step in the growth of nationalism in the region.

4. In which of these places did indigo play a role in the growth of nationalist sentiment?

Correct: The answer is c. In the second half of the nineteenth century, German researchers and Germany’s organic chemical companies built an interlocking global monopoly that produced more than 90 percent of the world’s synthetic dyes. One consequence of this development was the collapse of the global market for natural indigo.

Incorrect: The answer is c. In the second half of the nineteenth century, German researchers and Germany’s organic chemical companies built an interlocking global monopoly that produced more than 90 percent of the world’s synthetic dyes. One consequence of this development was the collapse of the global market for natural indigo.

5. Which of these nations led the way in the invention and production of synthetic dyes?