These are the circumstances under which the protest of the students in Tinker v. Des Moines would be deemed unprotected speech:
if their action had clearly threatened order and safety.
And since it didn't, there was no reason for it to be deemed unprotected speech.
Most of it came from state run farms. The communists collectivized farming meaning that there were no private farms anymore but there were only farms run by the state with agriculture workers working for the country and not just for themselves. Their produce would belong to the state and would be sold to people instead of farmers choosing what to do with it.<span />
<span>Great Britain provides a market for goods and protection for trade.</span>