Which statement about slavery in brazil are true 1)slavery began during the portuguese colonization of brazil 2) more than one-third of all enslaved people transported from africa went to brazil 3)slavery ended when brazil stopped importing africans as slaves 4) plantations and mining operations fed the demand for slaves

2 and 3 are true

Explanation:

In Brazil the slave trade received an impetus as a result of royal restrictions ... is no actual census available o-n the number of slaves for this period.

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