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.
Answer:
Texas, which had been settled by colonies of Americans, fought a successful war for independence from Mexico in 1836. Mexico refused to recognize the independence and warned that annexation to the United States meant war.
Dwight Eisenhower, his home state was New York which was won by Stevenson and Sparkman.
