Brainliestttme : ) -what happened in tiananmen square?

Chinese soldiers entered Tiananmen Square and open fired at civilians others had tried to hold these soldiers off before they reached Tiananmen Square but to no avail and this event is known as the Tiananmen Square massacre in the West and other parts of the world

the answer would be a i think?

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).