Who is queen Elizabeth how is she important??

Explanation: Queen Elizabeth II has since 1952 served as reigning monarch of the United Kingdom (England, Wales, Scotland and Northern Ireland) and numerous other realms and territories, as well as head of the Commonwealth, the group of 53 sovereign nations that includes many former British territories.

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:

united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).