Heat causes chemical reaction so that might be a way in which people use chemical properties to separate one substance from another substance .
D. Untouchables because they were at the bottom
A it outlawed slavery in the United States
Answer:
The term "imperialism" was first used in the 1830s to recall Napoleonic ambitions. It gained its core contemporary meaning around the turn of the century as a description of the feverish colonial expansion of Britain, France, Germany, Russia, the United States, and Italy. But the term is not confined to formal colonial expansion; in particular, the continuing dependence of much of the Third Worldon Western states
Explanation:
