Hi!
I believe the correct answer is the second option: These details bring life to the horrors of his journey by slave ship.
The correct answer is "domino"- the domino theory says that if one country fell under a commonist regime - their neighbours would follow (that's what the west feared) and otherwise - if one country became capitalist, the rest would follow- what the east feared.
The british backed down a little bit so the colonists wouldn't go to war.
Cattle drives were a major economic activity in the 19th century American West, particularly between 1856 and 1896 . In this period, 27 million cattle were driven from Texas to railheads in Arkansas, for shipment to stockyards in Louisiana and points east.