Please help answer this history question about WW1

The leader of the majority part in the house of commons is usually britain’s

2. what was the significance of the british reform act of 1832? members of the middle class were permitted to run for parliament. members of the working class demanded and received better living conditions. voters were given the right to vote by secret ballot, farm workers, factory workers, and women were given the right to vote.

Which would be good historical evidence when studying manifest destiny?