The Europeans brought many deadly diseases with them from Europe. The Native Americans did not have the antibodies to deal with these unknown sicknesses so most of their population died off.
Cause: it allows steel to be produced without fuel
effect: lowered the cost of production steel
The US government supplied arms to the Taliban and we eventually fought them, during which those arms were used against us so the answer is C
This is important, because this lead to more trade routs with other countries, and this strengthen the empire as a whole. These roads also lead to more connections to cities, and lead to more homes, and overall improved their society as a whole.
C. Suburban It's just outside the city. So, suburban