Did the vast majority of native Americans reside in north america

No, before the European conquests a larger number of native Americans were in South america.

Explanation:

South America housed some of the biggest civilizations of the Native American culture throughout the history and there were many fertile regions there with deep rooted histories of ethnic groups.

Although in the later period great civilizations like Aztecs and Inca did develop in Northern America and the population there was considerably high too, especially in the Mexico region.

South America still had more people than North America.

- tobacco.

- "rolfe reacted to consumer demand by importing seed from the west indies and cultivating the plant in the jamestown colony. those tobacco seeds became the seeds of a huge economic empire.the tobacco economy rapidly began to shape the society and development of the colony. growing tobacco takes its toil on the soil."

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union blockade

explanation:

the union blockade in the american civil war was a naval strategy by the united states to prevent the confederacy from trading.

the blockade was proclaimed by president abraham lincoln in april 1861, and required the monitoring of 3,500 miles (5,600 km) of atlantic and gulf coastline, including 12 major ports, notably new orleans and mobile. those blockade runners fast enough to evade the union navy could only carry a small fraction of the supplies needed. they were operated largely by british citizens, making use of neutral ports such as havana, nassau and bermuda. the union commissioned around 500 ships, which destroyed or captured about 1,500 blockade runners over the course of the war.