Please I need the answer. What factor contributed to the population explosion in American cities?

a.

Working conditions

b.

Living conditions

c.

Job opportunities

d.

Tenement homes

At the casablanca conference, allied leaders signed an agreement to share military technology decided to launch an invasion of southern france agreed to accept only the unconditional surrender of the axis powers agreed to form a scientific team to create the atomic bomb

Which group was responsible for determining the borders of african colonies and later countries

Which describes a contribution from classical rome to modern western civilization? a. international gathering to celebrate sporting achievement b. written constitution based on natural rights c. large infrastructure projects to benefit the public d. direct election of the ruler by all residents of the empire