What key accusation did saddam hussein make against kuwait?

Saddam Hussein in 1990, accused Kuwait stealing Iraq oil through slant drilling from Kuwaiti oilfields and for the oil prices which were declining and affecting the economy of Iraq. Hussein declares Iraq's invasion of Kuwait because he needed to control over the oil reserve in Kuwait. Kuwait, one of the world's major oil producers, by invading it, he tried to control the oil market.  

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.