Why all societies have to make decisions about how resources will be used?

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a study of twenty 4th grade classrooms in which researchers ask the schools to systematically vary the time of day reading is taught, and collect weekly assessments of reading comprehension for each child over a three-month period.the collection of data, by a playground designer hired by the superintendent of schools, about the physical dimensions of school playgrounds, presence of fencing, and the kinds of equipment currently provided.a feasibility study for implementing a year-round school program, focusing on economic issues such a facilities utilization and transportation costs.an analysis of aggregate data comparing statewide high school graduation rates provided by the state department of public instruction, using county tax information.

About how many crusaders took part in the crusaders

Base your answer for this question on the statement below and on your knowledge of social studies.my fellow citizens, events in iraq have now reached the final days of decision. for more than a decade, the united states and other nations have pursued patient and honorable efforts to disarm the iraqi regime without war. that regime pledged to reveal and destroy all its weapons of mass destruction as a condition for ending the persian gulf war in 1991.…— president george w. bush, march 17, 200344 which action did president george w. bush take following this statement?