Which items are described by the geographic theme of human-environmental interaction? a. the ural mountains form the boundary between asia and europe. b. the panama canal has shortened trading routes. c. canada has ten provinces and three territories. d. panama's borders are costa rica, colombia, the caribbean sea, and the pacific ocean. e. central heating is a common feature in canadian housing. f. panama is a bit smaller than south carolina.

The answer is B and D                                            

christopher columbus (1492–1504)

in mcculloch v. maryland (1819) the supreme court ruled that congress had implied powers under the necessary and proper clause of article i, section 8 of the constitution to create the second bank of the united states and that the state of maryland lacked the power to tax the bank.

gibbons v. ogden, (1824), was a landmark decision in which the supreme court of the united states held that the power to regulate interstate commerce, granted to congress by the commerce clause of the united states constitution, encompassed the power to regulate navigation.