Answer:
the answer is the octativan code
<span>The section of the United States Constitution in which allows Congress to expand powers but not expressly covered in the Constitution is in Article 1, Section 8, of the U.S. Constitution, which allows Congress to make those laws needed to achieve its enumerated powers.</span>
American aviator, author, inventor, military officer, explorer, and social activist.
B because there were more factories and businesses opening in the cities so there were more jobs available.
The correct answer is Malaria
Malaria was a huge problem since it couldn't be treated and people mostly died from it. It prevented numerous explorers from venturing into places like Africa where Malaria was running rampant due to the huge amount of mosquitoes. When it was discovered, it enabled numerous people to live at ease because they could not live with the disease or prevent getting it.
