The Republican Party was created to O force the South out of the Union. o make sure that slavery did not spread. o advance the concept of nullification. o protect the institution of slavery.

The creation of the trans-siberian railway allowed people to travel across russia. how could this railway impact russian culture?

Ascientist is explaining how background cosmic radiation gives evidence of the big bang theory. she says that radiation has been detected everywhere equally as heat in the universe and is increasing. this has been shown to be residual radiation from the big bang. what error did the scientist make?

Countries trade with each other because resources are not evenly distributed across the globe. true or false