How did slavery help Texas prosper at this time?

it gave them more money

Explanation:

because the trade of slaves would have made Texas more money and they would have prospered by slavery. more money would have been made and resources like cotton could be sold and traded to other countries

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Slaves made up 30% of the population of Texas in the mid-1830s. Massive amounts of labor was needed to sustain the large ranches and farms that were the core of the Texas economy. Slave labor kept many ranches and farms functioning when they were just beginning and kept them prosperous when they began to flourish. The slave population of Texas was instrumental in the growth of Texas.

Explanation:

b)

it created free trade throughout the colonial territories.