In the new deal's welfare state who became responsible for the care of society's most vulnerable citizens

The taxpayers and society in general, because the new deal was financed by the taxpayers and was based on a care of the individual by society as a form of protection.

Hope this helped

pls be more elaborate

1. it was caused by feudalism

2. charlemagne used christianity as a major cornerstone for his rule. cloisters were built all over the empire to act as centers for the (re)population of the vast european wilderness.

3. the europeans feared the next raid every time chetak

i'm not so sure about #6. but i hope i you with the first 3.