How does economics affect everyone daily life?

In the diagram below, ab and bc are tangent to o. what is the measure of

Why did the united states lead a coalition to invade iraq in 1991? o a. there was a fundamentalist revolution in iraq. o b. iraq had invaded iran. o c. an oil embargo had started in the middle east, o d. iraq had invaded kuwait.

Can someone answer all these questions i need it done by tonight. once again