Insane, he is acting completely mad so insane like he is unable to control what he is doing, he is acting crazy. Hope I can help!
Answer: To set store by (something), to hold (someone) in esteem; to consider to have value, to respect. with respect to; concerning.
False, because sometimes you already know the plot.
False one person can do anything.
You could write about the Taiping Rebellion. Basically what happened was a Chinese dude name Hong Xiuquan decided that he was Jesus's young brother, started his own religion and tried to take over China to create the Taiping Heavenly Kingdom.
