The accurate statements about the presidency of Gerald Ford are:
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Ford granted Nixon an unconditional pardon for any wrongdoings against the United States. - This is true; Ford granted a full pardon to Richard Nixon for any crimes he may have committed while in office.
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During Ford's administration, the last U.S. troops and support workers were evacuated from Vietnam. - This is also true; the fall of Saigon in April 1975, which marked the end of the Vietnam War for the U.S., occurred during Ford's presidency.
The other statements regarding breaking new ground with many changes to national and foreign policies and trying to arrest draft protesters are not accurate reflections of Ford's administration.