Which power from the article of confederation was most important

The Congress had control over diplomacy, printing money, resolving controversies between different states, and, most importantly, coordinating the war effort. The most important action of the Continental Congress was probably the creation and maintenance of the Continental Army.

i believe its the indians

lincoln presided over the union victory in the american civil war, which dominated his presidency. a former whig, lincoln ran on a political platform opposed to the expansion of slavery in the territories. his election served as the immediate impetus for the outbreak of the american civil war.