Which of these choices best describes it italy in the 15th century a. unified nation b. one large feudal estate c. a collection of small kingdoms and city states d. a collection of spanish and french colonies

the revolution instituted a short-lived roman republic.

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.