It would interfere with their trade alliances.
Communism leads to the government taking control of resources and industry. If it spread into areas the US did business, they could lose the ability to control resources and trade. This would eventually impact our political power and any military advantages the US had in Europe.
Your A and B are the same, so I assume you messed up there.
But the 26th amendment granted the right to vote to American citizens aged eighteen or older, or 18+.
As revolution means a forcible take over or change of a government usually or in favor of a new order A scientific revolution would be changing the way science works. for example :travel creating instant teleportation would be a scientific revolution because it changes the way the way the science of transportation works .
Answer:
landlocked countries have higher population
