<span>Answer:
The trade began due to a surplus of each product per area. Gold was plentiful in West Africa so traders sent the item to North Africa so they too could have the valuable mineral. In return, North Africans gave salt to West Africa.</span>
Answer:
Galileo was the person who invented the telescope. With this invention, he discovered that the earth is not at the center of the solar system, and four of the moons were observed that orbits around Jupiter. He also observed the different types of phases of the planet Venus and the sunspots. These observations made him support Copernicus's heliocentric theory in which the sun is assumed to be at the center of the solar system and all other planets and stars revolve around it.
Meiji reformers wished to reintroduce imperialism in Japan.