Trees give off oxygen that we need to breathe. Trees reduce the amount of storm water runoff, which reduces erosion and pollution in our waterways and may reduce the effects of flooding. Many species of wildlife depend on trees for habitat. Trees provide food, protection, and homes for many birds and mammals.
The answer is D. Think about the opium trade.
When soldiers went away to war their jobs needed to be replaced to keep the economy stable, women were able to take this opportunity and work in factories for munitions and sewing and many other things, this was a big step in the right direction to gender equality, after WW1 people started to change their attitude and realised that women can work and can do just as good as men in some countries they were given the vote and more opportunities opened for women in different industries and they were able to make a living for themselves instead of being reliant on a husband to get money for their whole family
