Its because science came to be that it relied on big projects. I hope I could help! :D
Answer: The National Convention became divided into two main factions: the moderate Girondins, who favored political but not social democracy; and the more radical Montagnards, the far left who were led by Robespierre. During the trial of King Louis XVI, Robespierre spoke 11 times and called for death of the monarch. On January 21, 1793, Louis XVI was executed
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because in the course of the 3rd century Romen was beset by crises. I pretty sure that is right hope this helps
