When Military Combat Is Necessary,what Is Required for the American

When military combat is necessary,what is required for the American people to be willing to send their sons and daughters into danger?

A) The president must convince them that the war can be won.
B) The American people must have the same political views as the president.
C) The president must convince them that all alternatives to war have been explored first.
D) The president must convince them that the outcome is worth dying for.