Why american indians respect the nature?

Initially, northerners did not want missouri to be included in the union because 1.) maine would not be allowed to enter the union as a free state 2.) missouri wanted to enter the union as a free state 3.) missouri wanted to enter the union as a slave state 4.) maine would not be allowed to enter the union as a slave state

On this map which states would the tropic of cancer run through

Why is the industrial revolution important to us now? brainliest to the best answer