What is the meaning of this?

'Which bridge to cross and which bridge to burn'

Put your answer in complete sentences, if you don't know please don't answer. Thanks.

Read the excerpt from martin luther king jr.’s "i have a dream” speech. and so let freedom ring from the prodigious hilltops of new hampshire. let freedom ring from the mighty mountains of new york. let freedom ring from the heightening alleghenies of pennsylvania. let freedom ring from the snow-capped rockies of colorado. let freedom ring from the curvaceous slopes of california. but not only that: let freedom ring from stone mountain of georgia. let freedom ring from lookout mountain of tennessee. let freedom ring from every hill and molehill of mississippi. from every mountainside, let freedom ring. the most likely reason king uses allusions in this part of his speech is to share his knowledge of american geography. compare northern and southern destinations. remind listeners about small-town accountability. encourage listeners to envision freedom everywhere.

What is the independent cause in this sentence? "if the poem is about going mad when love is lost, what would happen if love didn't die? "

Read the excerpt from the land. in the late afternoon i did the same, but all the time i was on the stallion, i was aware that mitchell was watching me. he had appeared on the edge of the woods and had just stood there watching ghost wind and me as we went round and round the meadow. finally, on one of our turns past him, he said: "s'pose you thinkin' you a real somebody 'cause you can ride that stallion." i looked down at mitchell and stopped, knowing that despite our understanding, he was itching for a fight with me. now, i don't know what possessed me in that moment to say the next thing i did. maybe i was feeling guilty that because i was my daddy's son, i could ride ghost wind. maybe it was that, but it wasn't out of fear i said what i said. i no longer was afraid of mitchell. "you want to ride him? " i asked. mitchell took a step backward. it was obvious he hadn't expected me to say that. "you know i can't ride him," he said. "your white daddy'd kill me." "you want to ride him? " i asked again. mitchell looked at the stallion, then at me. "so, what if i do? " what intrinsic motivation does the author most likely intend the reader to infer from the passage? paul is motivated by his need to have mitchell praise his riding skills. mitchell is motivated by his need to have paul praise his riding skills. paul is motivated by jealousy and wishes he had free time like mitchell. mitchell is motivated by jealousy and wishes he could ride the horse.