Although public attitudes toward unions had softened by 1900,a. workers almost never won a strike.b. congress refused to recognize labor day as a federal holiday.c. most employers continued to fight organized labor.d. congress declared the afl illegal.e. workers began to turn toward the socialist party.

b. Congress refused to recognize Labor Day as a federal holiday.

Explanation:

US President Grover Cleveland established Labor Day in September as an official holiday in the US, following the celebration of the Knights of Labor and to prevent May 1 from serving as a glorification of the "Chicago martyrs"

In U.S.A. they celebrated radical trade unionists, members of the workers' socialist party and the communist party on May 1st, identified as part of the international left "

No hablo español bien, pero según el modelo estándar de Big Bang, el universo nació durante un período de inflación que comenzó hace unos 13.800 millones de años.

¡¡espero que esto ayude!!