France and Britain acquired the most colonies in African during their colonial expansion.
I hope this helps.
That is because Algeria had millions of French citizens on its soil. They wanted to keep a close eye on these people and needed to fight nationalists who wanted to get Algerian independence while often harming French people, so they decided to keep Algeria a colony in order to monitor these people and protect them.
Answer:
You need to explain this more and I can answer your question.
