Which method for determining the age of artifacts measures the rate of decay in atoms in volcanic rock? paleomagnetic dating radiocarbon dating dna analysis potassium-argon dating

Andrew jackson: a) successfuly captured montreal from the british in 1813 b) was the american general at the battle of new orleans c) represented the u. s in the peace negotiations of ghent, belgium d) all of the above

What did president roosevelt do to aid panama in becoming an independent country? a. he negotiated a peace treaty with nicaragua to purchase the land. b. he invaded colombia to establish a us base for defense. c. he placed warships around panama to block sea lanes. d. he used dollar diplomacy to block imports to nicaragua.

Consider the following invention from the american industrial era. cotton gin – a machine that removed seeds from short-staple cotton which option explains how this invention contributed to the role of the united states as an emerging world power? a. it was in high demand abroad, as many european nations had begun farming cotton. b. it led to the decline of slavery in the south, which enhanced america’s international reputation. c. it freed up many slaves to become factory workers in northern cities, which improved the economy. d. it increased production efficiency of a us cash crop that was in high demand in other nations.