Answer:
In the context of humans, the modern world, describes the time when people started using reasoning and experiments to study nature. This was the time when scientific revolution began. The modern world believes in scientific facts and reasoning. In the past, people just believed if something bad happened, it was due to the punishment they were receiving from God. Instead of looking for solution or understanding nature, they just cursed themselves and prayed for miracles.
To decrease the chances of supply shortage. It was also to make sure that the US military had enough supplies available to them.
Not as many tigers can survive in small, scattered islands of habitat, this leads to a higher risk of inbreeding and makes tigers more vulnerable to poaching as they venture beyond protected areas to establish their territories.
Hope this helps a bit. :)
The correct answer for 1 is A. women's fashions. They started wearing shorter skirts and being more provocative in public. The correct answer for the second is C. electricity. Without electricity, the roaring twenties would've never happened.