Translation of bravourös

Hi Christin, how are you? I am on vacation right now, but you can call me if there are any problems. I am planning to meet my students in the end of next week. I will deliver the message anyway.
If that gets out of control (riots or support for radicals), there may flourish a steady ground on which the mentioned could reoccur. Then after a while this turns to be nationalism on a larger scale.
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