Due to the fact that the first and third don't make sense, I think the answer should be the second.
Hope this Helps! :)
Answer:
During WWII there were mainly an increase of factory driven jobs.
Explanation:
During the war there was an increased need for supplies for war. Because of that a ton of factories opened and started producing different weapons and war matierials.
<span>International trade enables specialization, which brings increased efficiency and greater competition to spur the market.
This happens becauseSpecialization would make each nation to focus on producing certain type of products in which they would gain a competitive advantage towards other (either because they had the necessary materials sources or labor qualities) and would create better and cheaper product in the market.</span>
1. Environment impact
2. Health/physical impact
