What was the columbian exchange? a. the payment that spain made to christopher columbus for his voyage b. the traffic of goods and ideas between europe and the americas c. the treaty that divided the americas between portugal and spain d. the slave trade practiced among the kingdoms of west africa

richard nixon led the investigation that resulted in alger hiss being convicted of prejury.

hr2520 is the patient's act. there is required the secretary of health to summon a committee to develop a national strategic plan of prevention. this committee has forth provisions that make possible for the govern entities to acquire private health insurance services.

is easier to keep this hr2520 as federal, because that way the secretary of health has centralized power to deal with private insurance companies and the federas government has more ways and power to negotiate with them, than doing this process state by state in their specific terms.