Who is the speaker/creator of the "I have a dream "speech

Identify the statements that best describe the ancient hebrews. they followed a messiah who gave them commandments to live by. they were cattle herders. they were polytheistic until they converted to a monotheistic religion. they had many fights with the canaanites, so they became strong warriors. they were led by a prophet who spoke to god and was told to return to canaan. they offered prayers to idols.