What british invention was used to cross no mans land and drive over trenches

How was the storming of the bastille important to the french revolutiona) it forced the king to accept the people's demands for justice. b) it marked the official beginning of the french revolution. c) it compelled the government to treat people with respect.d) it exposed the french soldier's lazy attitudes and weak skills.e) it symbolized the constitutional monarchy.

The date a source was created is considered part of its historical context intended audience purpose point of view

Why is the end of the cold war tied to the american domestic economy during this time?