Their general performance early war was poor, due to them not being a real army, but rather more like quickly formed militia, consisting of untrained personnel. In all early battles there were outnumbered, and had little to no time to organize effective battle units. It was General Washington that managed to organize the militias into a regular army.
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The Palmer Raids were a series of raids conducted in November 1919 and January 1920 during the First Red Scare by the United States Department of Justice under the administration of President Woodrow Wilson to capture and arrest suspected radical leftists, mostly Italian and Eastern European immigrants
If the President, VP and Speaker of the House is unable to serve by death, incapacitation, impeachment, etc...the President Pro Tempore of the Senate will be the successor of the United States.