It was a political scandal of former president Richard Nixon that where he sent people to break into the dnc. The break in failed and was traced to Nixon leading to his resignation as president.
The harnessing of electricity radically transformed American business since this meant that power from electricity could power lightbulbs, which were far more effective than candles and other sources, and that electricity could be used to power machines that increased efficiency.
The populism movement took hold because the use of the gold standard was causing many people to lose money - especially farmers. Farmers were having a lot of trouble because there were no regulations put in place to help them not produce too much it too little. Also, the populism movement promoted the regulation of railroad prices. That way, farmers could ship their produce at cheaper price points.
The answer is the third one: it promoted reforms to help struggling farmers
I think its the first one since the british believed that the loyalist would hold their territory