Language helped the Islamic empire to unite under the Abbasid Dynasty, which was the Arabic Language. It was easier to communicate and understand each other by speaking one language and having one religion (belief.) The correct answer is (c.) Arabic Language.
It was never seriously considered. It was not used because it would have been to hard, as there was many failed attempts at it before.
King spoke these words in Detroit, two months before he addressed a crowd of nearly 250,000 with his resounding "I Have a Dream" speech at the March on Washington for Freedom and Jobs on August 28, 1963.Several of King's staff members actually tried to discourage him from using the same "I have a dream" refrain again.
Cash money would lose integrity if no gold was there to represent and backup our currency value.