Is this a good topic sentence

Briefly explain one result of either louis napoleon's or otto von bismarck's policies that is not mentioned directly in the speech.

Can someone me write a paragraph on this topic i feel confused

According to us supporters, which was a benefit of purchasing alaska? the territory would be a buffer to invasions from europe. the territory would provide a place for many americans to live. it would increase trade by improving access to the northern pacific. it would increase the united states’ power by creating a bond with russia.