Answer:
Craters and mountains on the Moon, The phases of Venus, Jupiter's moons, The stars of the milky way, and The first pendulum clock
Explanation:
I like learning about Galileo and his amazing discoveries! I personally like the phases of Venus because it's so wonderful to learn about! And of course I hope you and everyone reading this have a good day and get good grades in school!
Industry had made the U.S. the richest nation in the world at this time. The Second Industrial Revolution caused growth in industry and transportation, which allowed increased trade between nations.