CAN YOU HELP ME please

Dams are used for all of the following purposes except

What marked the end of shogun rule and feudalism and the establishment of imperial japan

What prevented the success of mao zedongs great leap forward? a- the people focused too much on tending their farms and not on industry. b- the goods being made were fewer and lower quality than expected. c- too little house in existed for everyone who wanted to live in communes. d- industry and mining operations in the cities required too many people. (the right answer will get brainliest)