What was the "Christmas Truce" ... AND... why do you think commanders opposed it?

Which factors slowed population growth in china until the 1300? a. one child policy. b. urbanization c. epidemics. d. warfare

Awaiver of the requirement for documentation of informed consent may be granted when: the investigator has no convenient place to store signed consent forms separate from the research datathe only record linking the subject and the research is the consent document and the principal risk is a breach of confidentiality.potential subjects might find some of the research questions embarrassing, personal, or intrusivethe subjects are literate in their own language; however, they do not read, write, or speak english

Brainliest to who answers! what will always cause a supply curve to shift to the left?