1. In what ways did the world feel different after WW1?​

One of the most significant impacts of World War One was huge advances in technology, which would transform the way that people all around the world travelled and communicated, in particular, in the years after the conflict. ... France only had 140 aircraft when war began, but by the end of it, it had used around 4,500. The war also changed the economical balance of the world, leaving European countries deep in debt and making the U.S. the leading industrial power and creditor in the world. Inflation shot up in most countries and the German economy was highly affected by having to pay for reparations.

Explanation:

answer; approx,300,000 ;

answer; liaison;