How does international trade lead to specialization? countries become more dependent on each other for buying and selling manufactured goods. labor can be outsourced cheaply to other countries, which brings down production costs. countries can make the best use of resources by buying what they don’t have from other nations industries begin to compete to offer the best prices and increase demand.

What was one reason that southern states passed laws after 1800 to discourage manumission? 1)southern whites feared that freed blacks would seek revenge for past treatment as slaves. 2) northern leaders pressured southerners to liberate enslaved people. 3)southern states needed an inexpensive labor force to work in southern factories. 4)northern whites had sold their slaves to southerners before slavery was banned in the north.