(mc)what impact did developments in the steel industry during the 19th century have on the united states?
they made steel stronger and more flexible, allowing for the development of aircraft for the military.

they made the consumption of oil more important, resulting in a growing dependence on foreign energy sources.

they made the production of the steel rails cheaper, to spread railroad networks throughout the nation.

they made it possible to manufacture inexpensive cars, leading to the construction of interstate highways.

china unilaterally claims the entire south china sea as sovereign territory, then builds artificial islands to bolster its claim. it suddenly activates an air defense identification zone over the east china sea, and threatens to down any aircraft that does not report its position. it builds roads into indian territory, then redraws the maps to show that it is actually chinese territory. the people's republic under president xi jinping is quickly becoming the bully of asia.

c 3 branches because idk why they had 3 well when:

you think of it there are still contrys with 3