Little to no safety regulations and many child workers.
Well one push factor would be they wanted to escape religious and political prosecution. Another is the Potato Famine. This was when their potatoes were contaminated and many died from starvation and disease.
I hope this helps somehow ;)
after world war 1 because women got right to vote in 1920 and world war end in 1918
The main form of food production in hunting and gathering societies is <span>the daily collection of wild plants and the hunting of wild animals.
All they did was kill animals for food, but also gather many different kinds of berries and other plants to eat.</span>
