There were several characteristics of the renaissance. Firstly due to the influence of the Italian Scholar Petrarch the interest in the classical thoughts of the Greeks and the Romans. Barbarism and corruption that had griped the society needed to be rejected. Secondly this renaissance was responsible for the acceptance of humanism. This created a great change in the society. It was the begining of the commercial revolution and the end of feudalism. Regional self sufficiency began and productivity increased. This renaissance also started the beginning of the renaissance state.
Answer:
Unrestricted submarine warfare by Germany
Explanation:
Did you know that Germany sunk the ship with passengers called "The Lusitania"? Germans thought it might have been a allied ship carrying ammunition, and weapons. A total of 1,195 people we killed. Including 128 Americans.
Sons of Liberty merchants started to boycot British goods. That has cut the American purchases from England by 50% effecting British merchants dramatically.
When Alexius I Komnenoi implored the pope (Urban II) for help, he meant it to reconquer the lost Byzantine lands (and therefore return in to their de facto ruler, a.k.a., the Byzantines). Urban however, decided to merely use that as a façade in order to then invade the Muslims, and retake the holy land.
He also saw the wanted to unite Christianity as a whole (All the sects at the time, Orthodoxy, Catholicism, Paulicianism, Iconoclasts, etc. into a single conglomerate, fighting a common enemy.)