They protested the abolition of slavery.
Thhe name of the weapon is the Greeks Fire
Women in the workplace, especially in Garment factories, were historically mistreated. The union is meant to improve the conditions of working women in factories as well as increase awareness of the issue.
The communist regime of USSR led by Gorbachev was no longer willing to intervene in the eastern countries, in a time that the countries were facing increasing pressure for freedom and liberties. The success of some early uprising in countries like Hungary endeared other countries to follow suit.