Biological warfare was effective against the Inca because there immune system's were not used to that type of diseases that Europeans brought over. There are very susceptible to disease and were wiped out quickly
Answer: • by helping produce crops for trade
• by contributing their skills as artisans
• by making business connections
Explanation:
Enslaved people contributed to the growth of the Roman economy by helping produce crops for trade, contributing their skills as artisans and also by making business connections.
It should be noted that the enslaved people didn't attend school to learn about trade and also didn't vote on the laws that were economically favorable.
Therefore, the correct option is A, C and D.
Answer:
Amerigo Vespucci is remembered for several important reasons. He explored the mouth of the Amazon River. He also developed a method for determining longitude. Perhaps Vespucci's most important contribution, however, was his realization that the continent he was exploring was not Asia.
Explanation:
In search of fame and fortune, Portuguese explorer Ferdinand Magellan (c. 1480-1521) set out from Spain in 1519 with a fleet of five ships to discover a western sea route to the Spice Islands. En route he discovered what is now known as the Strait of Magellan and became the first European to cross the Pacific Ocean.
