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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Initial acts:

OPENER: Initial act
OPENERS: Initial acts
NIRA: Depression-act initials
ACLU: Patriot Act objector, initially
NIRA: Initials for a 1933 act
NLRA: Initials of the Wagner Act: 1935