What was ferdinand magellan known for? a. leading the first expedition to circumnavigate the globe b. sponsoring the voyages of christopher columbus c. claiming parts of south america for portugal and introducing the portuguese language there d. being the first european to sail around the tip of africa and reach asia

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.