Number 3, please?

What is the central idea in this advice from branch rickey to jackie robinson?  

Which quotation best expresses a major theme of this speech? "i saw my evil day at hand. the sun rose dim on us in theo morning, and at night is sunk in a dark cloud, and looked likea ball of fire.""i am much grieved, for i expected, if i did not defeat you, too hold out much longer, and give you more trouble before ! surrendered."m"we went to our great father. we were encouraged. hiso great council gave us fair words and big promises, but wegot no satisfaction.".**we told them to let us alone; but they followed on andbeset our paths, and they coiled themselves among us likethe snake."

Asentence teacher gives the following speech. prepare a brief speech to accompany your science project. the speech will be presented to a faculty panel selected as judges. include a summary of your hypothesis, methods, and results. provide an explanation of any pictures or charts one of your poster. also share any complications you encountered during the science fair process. who is the intended audience for the teachers speech? a. young students. b. peers at the science fair. c. teacher evaluators. d. science professionals