Some countries, require that you, as a foreigner, when you travel, hire a health insurance. If not, they will not grant your visa.
Of course, you can travel without health insurance and nothing can happen. But the purpose of paying a health insurance for the time that you are in a foreign country is that it covers the costs of sudden and unexpected illness or injurt.
In the majority of the cases, health insurance covers out-patient care, in patient treatment, emergency dental treatment and repatriation
New job opportunities is one of the answers.
Farming gave low wages compared to industrial work
houses were thought to be of better quality in the cities compared to farms and towns <span />
It gave the English people a voice in their government.
The Mongols founded the Yuan dynasty.
