Thirty-three sates outlawed the possession of black and red flags. The government forced the people to stay quiet and to be patriotic. If not they would have put them in jail.They also brought in a new term, "criminal syndicalism", which was the act of unlawful acts that make a "change in industrial ownership". The government also expanded powers over industries.
Effects for US Women
Due to the necessity during WWI, the US economy was booming which led to the 1920's, the era called the Roaring Twenties. Manufacturing, production and profits were increasing. But inflation was also high, and companies had to drop wages, and lay off workers.
Effects for US Immigrants
The federal governments enacted acts that restricted freedom of speech. For example the Espionage Act of 1917 prohibits spying that impeded the military success. About 2,000 people were convicted of violating these laws and many were put in jail. Some people were put in jail for saying that their families were killed.
Effects for African-Americans
In 1916, Woodrow Wilson endorsed the voting of women. Women were given more jobs and opportunities. Women sold war bonds, organized patriotic rallies, an went to work in war production jobs.
People tried to americanise them and did not always allow them to be with them. Some did not like the immigrants working with them and called them "undesirable persons". To try to exclude them, they introduced the term IQ and tested everybody before they could join the military. Most immigrants were way below the national average of native white people. They discouraged immigrants to reproduce to try to "improve the human race".
Woodrow Wilson's administration imposed black segregation in the offices, and let go many black federal employees. Black citizens were also still being lynched and falsely accused. They were barred from joining unions and were not permitted to work for higher wage jobs. The navy entirely barred black people from joining. The increase in production and manufacturing all caused a huge migration from the South to the North of the country.