What is the main reason why liberals want to expand the size of government?
to make the us military stronger
to create more social welfare programs
to uphold tradition in american society
to ensure violent offenders face harsh penalties
save and exit

to create more social welfare programs

The other three mentioned political ideas are usually within the domain of right or conservative politicians while liberalism is about things like greater social equality and equity. Things like the social security act were passed by those who were liberal

Explanation:

answer; taking up arms to defend the nation;

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.