The system that recognizes foreign molecules and acts to immobilize, neutralize or destroy them is the

form a more perfect union-goal that states the constitution fixes the problems with the articles of confederation

establish justice-laws and punishments are fair and reasonable.

insure domestic tranquility-protect america(ns) from america(ns).

provide for the common defense-protect america from outside forces.

promote the general welfare-tasks the government performs for the citizens' benefit.

secure the blessings of the liberty-provide citizens with the right to life, liberty, and the pursuit of happiness.

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations. click to let others know, how is it

d. the polar jet stream   lies between the polar easterlies and trade winds should be your answer