The following innovations and equipment have been a critical part to our exploration in Space or Space exploration on searching life on Mars. Such objects which are mostly unmanned gives us the information that the man can't reach in these generation and play a big part of charting the uncharted regions of the universe especially in Mars and becoming a tool to understand the world outside of our planet.
In an effort to preserve the balance of power in Congress between slave and free states, the Missouri Compromise was passed in 1820 admitting Missouri as a slave state and Maine as a free state.
