How did advances in military technology after the industrial revolution affect the European empires?

The germans were expecting the invasion to land at pas-de-calais, northeast of the actual normandy invasion site. what do you think might have been the advantages of a landing at pas-de-calais? ‍♀️

The georgia platform showed that most georgians ~accepted the compromise of 1850 and wanted to stay in the union. ~rejected the idea that compromise was necessary to maintain the union. ~accepted the idea that slavery was evil and must be ended. ~hoped the compromise of 1850 would break the union apart.

What issue lead from texas seceding from the union