Answer:
I'm pretty sure the last one is correct.
Explanation:
<span>Good Morning!
The economic boom that occurred at the end of the 19th century, due to the railways, promoted the strengthening of the wood, coal and steel industries. In addition, it ensured the development of the exporting cities of the west and, finally, made possible the formation of a programmatic understanding of exports and imports.
</span>D. They formed corporations and issued stock bonds
Answer:
Humans found many ways to create irrigation and used it to domesticate plants and start farming. With farming, people altered their natural environment even more and controlled what plants grew where and how well those plants produced food.
Explanation:
