Into which phylum should the reasearcher classify the organism

What was the purpose for "checks and balances" in the government? it made possible a system of accountability. it would control the national bank. it would the states to work together to solve national problems.

How are the freedom of religion and the freedom of assembly alike? both involve the freedom to express oneself. both were an original part of the constitution. both were practiced by the early puritans. both were denied to immigrants.

What was gained through the gadsden purchase