Read this quotation from remarks given by then Senator Barack Obama in Springfield, Illinois. What was the purpose of this speech? in the shadow of the Old State Capitol, where Lincoln once called on a divided house to stand together, where common hopes and common
dreams still live, I stand before you today to announce my candidacy for President of the United States. I recognize there is a certain
presumptuousness-a certain audacity-to this announcement. I know I haven't spent a lot of time learning the ways of Washington But I've
been there long enough to know that the ways of Washington must change."
Barack Obama, February 10, 2007
A
to launch his campaign via self-announcement
В.
to accept a nomination at his party's national convention
c. to begin the nomination process by entering the race
0
D
to call for his party's nomination at a state caucus

c. to begin the nomination process by entering the race

Explanation:

Then a first-term senator, having served eight years in the Illinois Legislature before becoming a U.S. senator only two years before, Obama chose to officially announce his candidacy to compete for the Democratic nomination notwithstanding his short political career. At the time, he was the chief rival of New York Senator Hillary Clinton.

gaius cassius longinus and marcus junius brutus, former enemies of julius caesar who'd joined the roman senate, led caesar's assassination, dubbing themselves "the liberators." and the second one is   the assassination of julius caesar was the result of a conspiracy by many roman senators led by gaius cassius longinus, decimus junius brutus albinus, and marcus junius brutus. they stabbed caesar (23 times) to death in a location adjacent to the theatre of pompey on the ides of march 15 march 44 bc.

although the crusades failed to capture jerusalem, they had several major impacts on western europe. they increased the authority of the king: sometimes nobles died in battle without leaving an heir in which case the king got their land. kings passed taxes to pay for the crusades.