Which statement best summarizes the message of this
source?
A.)Buying victory bonds can help families survive on
the home front.
B.)Americans should buy bonds to prevent our
enemies from harming the nation.
C.)Buying bonds keeps US ships and supplies out of
Germany and Japan's hands.
D.)Americans should buy victory bonds to help women
and children.

B.) Americans should buy bonds to prevent our  enemies from harming the nation.

Explanation:

The poster effectively raises awareness of national security, in that, the government needs funds to efficiently raise, train, and equip an army for defense abroad so that the homeland is not attacked. War bonds were high interest loans to the government that is usually bought by citizens in the country, in an effort to raise money for certain activities, which, in this case, is for war.

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i think it would be reparing roads  

the section of the chart that represents a point at which a bill needs approval from a majority of people in both chambers to advance is j, as this is the only section before the bill becomes law which has both rows (symbolizing the chambers) converging into one, meaning that the two parts of the congress have to approve of it before it can march on with the process.