Abill in the house of representatives may only be introduced by an

Speaker of the House

Explanation:

A bill has to be formally given to the Speaker of the House, who would later introduce the bill to the whole House to vote on. If passed, it will then go to the Senate, and if it overcomes the hurdle, then to the President.

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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: