Final answer:
The correct answers are access to emergency medical care and access to K-12 education. Pathway to citizenship and receiving Social Security are not directly related to pursuing happiness.
Step-by-step explanation:
The correct answers are: 1) access to emergency medical care and 2) access to K-12 education.
The right to pursue happiness in the United States includes certain government assistance to ensure access to basic needs such as healthcare and education. While 3) pathway to citizenship and 4) receiving Social Security are also important aspects of government support for citizens, they are not directly related to the concept of pursuing happiness.