Supporters of protectionism would argue that free trade adversely affects which group of people?

Who gave the famous "i have a dream" speech at the march on washington?

What is grievance 28 on the declaration of independence explained in simpler words? plz

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?