Who knows the significance of the civil war of America?Thank youI don't know much about the history.But I have to prepare my presentation.Thank you
问题描述：
Who knows the significance of the civil war of America?Thank you
I don't know much about the history.But I have to prepare my presentation.Thank you
答
1863年 葛底斯堡战役
答
进一步扫清了美国资本主义发展的障碍,维护了美国的统一,促进了美国资本主义的发展（If you want me to translate this sentence,you must be give me more point）