Why did the national convention choose to execute Robespierre?

The uprising gave him an opportunity to finally purge the Girondins. On July 27, 1793, Robespierre was elected to the Committee of Public Safety, which was formed in April to protect France against its enemies, foreign and domestic, and to oversee the government.

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the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.