Let us define each terms first:
· Blitzing is a military attack in which bombs are dropped from airplanes.
· Voting is the official choice one makes during the election, meeting, etc.
· Lobbying is an organized group of people who work together to influence government decisions that relate to a particular industry, issue, etc.
· Campaigning is a series of activities designed to produce a particular result.
Therefore, lobbying is the activity of trying to influence political officials