He tract of land the united states received at the end of the mexican-american war in 1848 was called
the mexican cession.
the republic of texas.
the gadsden purchase.
the louisiana purchase.

The answer is: the Mexican Cession.

After the agreement of the Treaty of Guadalupe Hidalgo, which ended the Mexican-American war in 1848, the United States gained the disputed areas of Alta California and Santa Fe de Nuevo Mexico, called the Mexican Cession.  

The rest of the options are incorrect because the region had been previously demanded by the Republic of Texas; the Gadsden Purchase refers to the territory of Arizona and New Mexico bought to Mexico by America in 1854; and the Louisiana Purchase was the acquisition from France of the Louisiana territory of New France in 1803.

d.

many people believed they were convicted solely because they were anarchists.

health care plans in the united states having high costs because they are focusing on providing quality programs for different groups of individuals. the quality of the service is based on money flow received from the members. without this investment, couldn't be possible a constant scientific searching to prevent death and illness caused because of low levels of health investigation. currently, the complaints are not about the highest cost, but about the coverage and benefits to access the necessary health services required by the members.  

besides, if a global health system is established the quality levels will fall down because of the standardized of the health. the access to care will increase but the quality will be low because it depends on the money invested.