Mark the two boxes that are true:1. Feudalism is a system of cooperation among peoples which was basically an exchange of land for protection. 2. A summons is a call to appear in court. 3. A vassal was given the rights to control the fief and to have ownership of it. 4. When the vassal gave the lord his crops, it was known as feudal aids.

Which article of the us constitution addresses the issue of interpeting the laws of the united states

Reasons for factor mobility of a combine harvester, cotton, an oil platforn and a woodland

Aresearcher conducting behavioral research collects individually identifiable sensitive information about illicit drug use and other illegal behaviors by surveying college students. the data are stored on a laptop computer without encryption, and the laptop computer is stolen from the researcher’s car on the way home from work. this is an unanticipated problem that must be reported because the incident was (a) unexpected (i.e., the researchers did not anticipate the theft); (b) related to participation in the research; and (c) placed the subjects at a greater risk of psychological and social harm from the breach in confidentiality of the study data than was previously known or recognized. according to ohrp, this unanticipated problem must be reported to the irb in which timeframe? promptlywithin 48 hourswithin 24 hourswithin two weeks