12.what contribution did c. m. “dad” joiner make to the oil industry in texas? a. he donated his expertise to other wildcatters succeed. b. his discovery at the east texas field resulted in another boom in texas. c. he discovered oil at spindletop d. he became a texas millionaire and the others too so i can check to see if i’m right on them ?

Choose the three changes to spanish and american claims in north america by the adams-onis treaty.

Summarize the effects of the marshall plan on the us and western european countries

Need plz? due in 10 will give brainliest which of the following was the most significant aspect of revel's election to the senate? a.his election showed that the u.s. would quickly move past the civil war. b.his election to uphold the thirteenth and fourteenth amendments which gave freed slaves citizenship and voting rights. c.his election demonstrated the states were united in a union once more. d.his election was the first step in opening doors for other african-american political leaders.