Witch 2 of these events directly led to the beginning of European exploration

Does anyone know the answers for these

According to the earth science reference tables, during which geologic time period were the continents of north america,south america, and africa closest together?

Which of the following best describes brazil's economy from 1650-1880? a. it gradually shifted to manufacturing as the industrial revolution progressed. b. it was based on mining. c. it was based on plantation agriculture, where slaves served as a labor force. d. it was based on small, family-owned farms.