Canning or home canning is preserving fruits and vegetables at home in jars with lids that seal to keep them fresh.
Well, it certainly give more power for different groups of people to be involved in the government.
For example, Earlier,Women in USA did not have the right to vote and now they do. This allow our society evolve toward a better equality
Civil liberties are protections against government actions. For example, the First Amendment of the Bill of Rights guarantees citizens the right to practice whatever religion they please. Government, then, cannot interfere in an individual's freedom of worship.