Why did historians and others have difficulty classifying many of the plains indian tribes? a. there were few commonalities among the tribes. b. there was great variation in the languages that they spoke. c. they had similar economic and social structures but widely different political structures. d. they were so heavily influenced by european cultures that they had lost much of their unique cultural characteristics through assimilation. oklahoma is at the greatest risk for thunderstorms and tornadoes during the a. spring b. summer c. fall d. winter which treaty was signed to end the french and indian war? a. treaty of san ildefonso b. treaty of fontainebleau c. treaty of san lorenzo d. treaty of paris how did the 1830 indian removal act affect american indian tribes? a. it forced the government to remove white settlers from tribal lands. b. it allowed tribes to choose whether they wanted to leave their lands. c. it allowed the government to forcefully remove tribes from their lands. d. it required the government to pay tribes for the rights to use land. as events like the vietnam war, war protests, energy crises, and the collapse of penn square bank demonstrate, the 1960s and 1970s were a time of for many oklahomans. a. success b. tranquility c. turmoil d. inactivity europeans wanted to find a sea route to asia for all of the following reasons except a. to obtain desired trade goods such as silk and spices b. to circumvent muslim control of land routes c. to escape monopolies that made trade expensive d. to find new lands to colonize how did jerome tiger and the kiowa five contribute to oklahoma’s american indian culture? a. by creating and developing modern american indian art b. by participating in olympic and collegiate sports c. by writing on the american indian perspective on expansion d. by documenting cowboys and the frontier through sculpture imagine you are taking a cross-country trip whose route goes through the southern half of oklahoma. as you leave arkansas and enter oklahoma, which mountain area will you encounter first? a. wichita b. arbuckle c. ouachita d. tahlequah which of the following represents one of the longest-lasting effects of world war ii on oklahoma? a. unemployment increased as demand for oil and agricultural products declined. b. the population decreased as a result of people moving to industrial centers to find work. c. the economy grew more diversified as new manufacturing facilities were opened. d. residents of the state were more supportive of future overseas military actions.