The cause of the damaged relations between Japan and the United States was that… A. Japan invaded China and the U. S. responded with diplomatic and economic pressure.
B. Japan threatened to cut off trade with the United States.
C. the United States used military force to halt Japanese expansion.
D. the United States used economic pressures to prevent Japan from joining the Axis Alliance.

D.

Explanation:

The United Stated cut off essential trades with Japan such as oil which greatly devastated Japan and greatly damaged their relationship.

answer

explanation

the given equation is

we can rewrite this as:

let

then the equation becomes:

the factors of 8 that sum up to -9 are {-1,-8}

we split the middle term with these factors to obtain,

we factor by grouping to obtain:

apply the zero product property to get:

but