How many colonies did great britain own at the peak of the british empire?

the federalist party which advocated strong centralization dominated the united states government till 1800. so 1800 election transformed the power from one party to another party for the first time and was thus a turning point in american history. so jefferson called it "revolution of 1800".

explanation:

which time period is this? or is this story fictional, i'm going to need more info to answer this question