The key difference between a federal government and a confederate government is in terms of the power assignment. In a federal system, more power is assigned to the central government while for a confederate system, most of the power is given to the states. Hope this answers the question.
Answer:
The blockade of Texan ports damaged imports and exports, slavery was abolished so East Texan cotton production plumeted, and finally, in order to fill in the gap, cattle production increased.
It created new jobs and it expanded industries
Airplanes were vital for ww1 to ease transport of amo and soon guns on the planes including bombs this made it easier for to launch quick air strikes on places like bases vulnerable to air strikes