1. List four major problems of the Articles of Confederation.

Weaknesses of the Articles of Confederation

1.Congress did not have the power to regulate foreign and interstate commerce.

2.There was no executive branch to enforce any acts passed by Congress.

3. There was no national court system.

4.Amendments to the Articles of Confederation required a unanimous vote.

Explanation:

my answer might be wrong though but this is what i know.

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.

the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.