Answer:
Boolean logic or Boolean algebra
This logic stated that there are universal laws of reasoning which can be boiled down to being mathematical in form.
The growing season in the interior plains is roughly "five to seven months" long, although it should be noted that this is not a "rigid" timetable, and sometime the season spans beyond these limits.
Freedom Riders= Civil rights activists, rode s bus to the southern segregated parts of the US (1961) to complain about the US court cases ( Morgan v. Virginia and Boynton v. Virginia) deciding that segregated public buses were unconstitutional, and the first Freedom Ride left Washington, D.C. on May 4, 1961,[5] and was scheduled to arrive in New Orleans on May 17.[6]
