Economic sanctions directly impact the economy of the subjects country. Therefore a trade ban would be an economic sanction. 1 and 4 would be damaging to diplomatic relations but not the economy and 3 is military intervention which is not solely an economic action.
Hello Red333! Highschool law student here to help!
The correct answer would be 'students' right to free speech in public schools'. In the case of Tinker v. Des Moines, essentially the Supreme court established that while students have the right to the first amendment, there are limitations/exceptions. The courts also founded a landmark precedent called the Tinker test.
The Canadians captured the ridge on the 6th of November, even though there’s heavy rain and shelling that turned the battlefield into a quagmire. Nearly 16,000 Canadians died or wounded. The Battle of Passchendaele did nothing to help the Allied effort and became a symbol of the senseless slaughter of the First World War