Answer:
The Constitution grants Congress the sole power to declare war. Since the first declaration of war against Great Britain in 1812, Congress has declared war on 10 other occasions, including the last formal declaration of war with Rumania in 1942.
Explanation:
C- nearly a quarter of the Cherokee population died
Answer: From 1933 to 1945, Nazi Germany carried out a campaign to “cleanse” German society of individuals viewed as biological threats to the nation’s “health.” Enlisting the help of physicians and medically trained geneticists, psychiatrists, and anthropologists, the Nazis developed racial health policies that began with the mass sterilization of “genetically diseased” persons and ended with the near annihilation of European Jewry. With the patina of legitimacy provided by “racial” science experts, the Nazi regime carried out a program of approximately 400,000 forced sterilizations and over 275,000 euthanasia deaths that found its most radical manifestation in the death of millions of “racial” enemies in the Holocaust.
Explanation:
Arab Empire spread islam across the middle east and north Africa.
Arab Empire started in Egypt and spread to other countries
Answer:
As the energy needed to increase it's temperature must be supplied from somewhere, the gas takes the energy from the surrounding system giving the effect of cooling.
Explanation:
All three states of matter (solid, liquid and gas) expand when heated.In a free expansion, gas is allowed to expand into a vacuum. This happens quickly, so there is no heat transferred. No work is done, because the gas does not displace anything.