How did many people on the home front support the war effort during world war ii?
-they refused to buy goods that were scarce.
-they canned fruits and vegetables for soldiers overseas.
-they planted victory gardens to feed themselves.
-they entertained the troops and their families.

The correct option is "-They canned fruits and vegetables for soldiers overseas."

Total war is a term of the twentieth century that describes a war in which countries or nations mobilize and force to the limit all available resources, whether human, military, industrial, agricultural, natural, technological, scientific, or of any other kind, to totally destroy the ability of another country or nation to engage in a war. The practice of total warfare has been used for centuries, but it was not until the mid-nineteenth century that it was recognized as a different way of waging war.

a historian researching the immigration policies of the early 1900s would expect a source written today,rather than in 1910 to :

( a ) be more interested in objective data and statistics.

a big wall across the mexican border so no drugs, terrorist, or illegal immigrants can come through : )