Why have most latin american immigrants come to the united in the us during the past two decades

Me i really need which of these was an accomplishment of the han dynasty? the invention of the seismograph finding a water passage to europe the invention of the ballpoint pen the invention of the abacus

How does nafta affect relations between the united states and canada? a. it bans immigration between the two countries. b. it opens the borders between the two countries. c. it raises taxes on trade between the two countries. d. it allows free trade between the two countries.

The british commonwealth is: a. the national treasury. b. the british social services system. c. an alliance of former british colonies. d. a shared land for grazing sheep in britain.