1. which of the following common european dishes would be impossible to make without goods imported from the americas during the columbian exchange?

a. chicken noodle soup
b. bread and olive oil
c. tomato sauce and pasta
d. roasted lamb

2. what factors were significant in the decline of both the mali and songhai empires?

a. conversion to islam, and natural disasters
b. civil war of succession, and natural disasters
c. invasions by neighboring countries, and conversion to islam
d. civil war of succession, and invasions by neighboring countries