What did the Zhou dynasty create with its new types of ironwork?
They developed stronger weapons.
They built stronger and safer buildings.
They turned the iron into steel for sharp swords.
They used the iron to build ships for fighting wars.

Erikson's theory of personality grants more power to the than freud had allowed.

Enumerate the set key performance indicators (kpis) of the uae to measure its performance against its targets of 2021.

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.