Why did Justinian lead the Byzantine Empire into a period of expansion? O He wanted to spread Islam into Western Europe.

O He wanted to block all trade coming into Europe from Asia.

O He wanted to create a military alliance with the Mongol Empire.

O He wanted to restore the glory of the Roman Empire.

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.

After about 1000 b.c, some people in siberia meaning their lives wre bassed on herding animals. a. pastoral b. collective c. irrigate d. dalits

Which white house agency monitors the spending of federal agencies