Question

why did national assembly declared war against Kingdom of prussia and Austria

Answer 1

The National Assembly of revolutionary France declared war on Austria on April 20, 1792. Prussia joined the war on Austria's side. The reasons for the declaration of war were

1. Austria and Prussia were monarchies and the French Assembly feared that they would attack France to crush the Revolution that had ousted the French king from power.

2. The French queen, Marie Antoinette was originally from Austria. It was feared her family connections with the Austrian royal family will lead Austria to attack France since she had been imprisoned by the French revolutionaries..