how many years did it take for the population of Europe to recover from the plague? In other words, how long between the 2 highest population totals on the graph?

According to the graph, the manufacturing of products in the united states greatly increased from 1800 to 1900. greatly decreased from the onset of the civil war to 1900. slowly decreased in 1800 and again in 1900. slowly increased after 1880.

Afull irb committee meeting is convened and one agenda item is a new research proposal to evaluate how mothers interact with their learning-disabled child. the inclusion criteria require the children to be a minimum of five years of age. the protocol requires the mother of the child to look at the child without any expression and not to talk to the child for three minutes. the committee determined that the mother's required task may upset the child. the irb approved the study with appropriate language in the parental permission form regarding the possibility that children might become upset. after the start of the study, the principal investigator reports to the irb that, as expected, one of the children became upset. the incident was handled according to the protocol and the child is fine. what should the irb do with regard to this report?

Federalism began to spread super soon after