The Second Agricultural Revolution was made possible by all of the following EXCEPT the invention of crop rotation
improvements in drainage and irrigation systems
advancements in farm machinery
the migration from urban cities to rural regions
the application of scientific methods to breeding

the united states has a federal government. the president is the head of the federal government of the united states. however, each state forms its government for administration purposes. the powers of the state governments are exercised within restricted state boundaries. and citizens participate in this government by voting.

answer; the values, beliefs, and assumptions about appropriate behavior that members of an organization share;

answer; gender,race,age,/// (d) all of these;

answer; make laws;