Question

maize (corn) had which of the following effects on the populations of central and south american? (kc 1.2)
the nutrition provided allowed for larger, denser populations
the crop led to disease as insects that fed on the crop also spread malaria
competition over markets led to warfare between rival tribes
it forced the populations to settle on the coast near the ocean

all the following allowed europeans to build their empires during the 16th century except: (kc 1.3)
gunpowder
improvements in shipbuilding
quinine
the sailing compass

Explanation:

1. Maize's nutritional value supported population growth in Central and South America.
2. Quinine was mainly used for malaria - treatment later, and was not a key factor in 16th - century European empire - building compared to gunpowder, shipbuilding improvements, and the sailing compass.

Answer:

1. the nutrition provided allowed for larger, denser populations
2. quinine