The case of tinker v. Des Moines school district dealt with

it would be

president jefferson protested this interference in american trade. he sent james monroe to london to negotiate a treaty. jefferson wanted britain to stop taking sailors from american ships, and to stop interfering in the trade of neutral nations. monroe tried many times to discuss such an agreement. but the british foreign minister was always too busy to see him.

explanation:

the answer is a) high entry costs

continental currency was denominated in dollars from $​1⁄6 to $80, including many odd denominations in between.