The correct answer is C. All of theses.
More than 30 million year ago massive extensions of swamp waters and marshlands were formed in Oklahoma. As the years went by these swamp waters were buried beneath soil, sand and gravel however, these water deposits later provided the state with natural resources such as coal, petroleum and natural gas. Thus they are or were called swamp treasures due to their multiple uses and the richness they gave to the state.
Answer:
Feudalism in the western sense included lords and serfs. ... Some of the effects of Feudalism were that the Nobles became responsible for the protection of their vassals and serfs. The manor became an agricultural estate operated by the lord and worked by the peasants who sustained the land and drove the economy.
Explanation:
If you meant that question literally then the answer is the America got all his land mostly by the battle of independence from Great Britain in which it got all the territory that the british took or claim after the french-indian war in which france and the british sign a treaty which stated that all territory gain from battle most be return. In which the british later =send a huge debt to the 13 colonies that stated that they most pay for all the damage done thanks to the french and indian war