Knights were indeed lower than vassals and held less prestige in medieval society. It's not true though, that knights didn't have enough prestige in medieval society. Vassals swore to the king or the ruler of a region, whereas knights often swore to vassals, so they still had people under them, but they were not at the top.
They where considered the first true rock band
<span>The Supreme Court
helped wear down the freedom of African-Americans after the civil war because
it didn't announce many of the laws that were intended to harass
African-Americans as unlawful. It even supported separation when it confirmed
that the doctrine of separate but equal was a constitutional right.</span>
They used triangular sails that allowed these ships to travel better.
Hope this helps!
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