According to the national census of 1850, nearly three out of every four households in Texas consisted of families from
a. Southern states
b. Germany
c. Ireland
d. Mexico

basic principles: federalism, separation of powers, checks and balances, judicial review, representative democracy, limited government, rule of law, individual rights and responsibilities, consent of the governed, majority rule, popular sovereignty, equal protection.

travels along an axon. this triggers a wave of electrical activity that passes from the cell body along the length of the axon to the synapse