Slate is much more commonly found in wet areas, especially around rivers in the United States, so it wouldn't be very available to Natives who were more inland.
He supported French colonialism in Vietnam to stop communism.
Answer: The horror of the battle was made worse. which burned to death many wounded soldiers trapped in the thick undergrowth.
Explanation: During the Overland Campaign, Grant and the Union Army ground at Lee of untrained rabble and put the world's worst officer in charge of the attack.