Answer:
Louisiana was a territory for 9 years.
Explanation: Louisiana became a territory in 1803. In became a state on April 30th, 1812.
Golly this one sure is hard. It eliminated the need for mail to be carried via roads or rail lines, and things (and people) could be carried directly to the destination's nearest airport instead of all the way down the winding roads to it.
Weimar Constitution adopted in Germany
I dunno the answers to 1 2 and 3, but 4 is Germany, Italy, and Japan, and 5 is poison gad.
