If you can answer both i’ll give brainliest if more than one person answers!

Which is not a characteristic of a multiparty system?

In shifting to a defense policy based upon the concept of "flexible response," president kennedy was indicating that he had grave doubts about thevalue of which previous defense policy? a massive retaliationb collective securityc containmentd air power

Tension between the british. and boers was caused primarily by what things?