Why Bernie Sanders might not have won the 2020 election.

Give Democrats, generally, some credit here. In every single poll they said the number one criteria of their 2020 presidential candidate was someone who could beat Trump. Eventually they decided this candidate was Biden. Turns out they chose correctly. And given the tight nature of the election, it is possible that of the 27 Democrats who ran for the presidency, Biden may have been the only one who could have won it.

Explanation:

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.

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.