What is one of the results of unification of Italy that directly affects the future of the USA?

Garibaldi, outmaneuvered by the experienced realist Cavour, yielded his territories to Cavour in the name of Italian unification. In 1861, Italy was declared a united nation-state under the Sardinian king Victor Immanuel II. Reapolitik continued to work for the new Italian nation.

Explanation:

food and resources were plentiful.

women were encouraged to marry later in life so they could work in factories.

worcester v. georgia, legal case in which the u.s. supreme court on march 3, 1832, held (5–1) that the states did not have the right to impose regulations on native american land. andrew jackson refused to enforce the ruling, the decision form the basis for most subsequent indian law in the united states.