The "Red Shirts" are mostly associated with the period that followed after the Reconstruction era of the United States of America. Although they were present from the year 1875 but they became most active after the Reconstruction era. So it can be said that during the late 19th century the "Red Shirts" were most active.
In the election of 1800, Jefferson and Burr tied.
The main issue is that second place got VP, instead of a ticket running together. So, a President would not have the choice of VP.
A federal judge ruled about Japanese relocation 40 years after the fact, in 1986, that it was overall an unconstitutional action on part of the Roosevelt Administration.