What are the biggest impact of jonas salk's work with poliomyelitis?

for the past few months, seth has visited his elderly grandmother every weekend and her with chores and errands. he has come to think of himself as a person who is kind and to elders. as a source of self-knowledge, this is an example of

The platt amendment of 1901 forbade cuba from entering into any treaties that would allow undue foreign involvement in cuban affairs. this law was passed after the spanish-american war to make sure that european nations weren’t going to get involved with cuba. 1, why might the platt amendment be considered ironic? 2, what reasons would the united states have for not wanting european influence in cuba?

Did cuneiform develop the language we use today