Answer: created new laws and increased trade
Explanation:
B Missouri was a slave state and Maine was a free state
With the development of technology, a lot of electronic waste has been created and it's polluting the environment because such devices are commonly thrown away and there's so many of them. This is combined with the rise in CO2 emission which required numerous countries to join the battle against the climate change. The ozone layer was also heavily damaged but it has been improving in recent years.
Heliocentric means that B. The Earth and other planets all orbit around the Sun. This is because the Sun has a very strong gravitational pull, which makes the other planets orbit around it. Without the Sun to keep the planets in an orbit, they would go flying into space. We always thought the Sun was the one who went around us, because that was our only perspective until telescopes and spacecrafts came around. :D
