Match each good with the civilization that traded it. wool
purple dye
cedar
perfume
slaves
weapons
phoenician mycenaean

"tear down this wall! " is a line from a speech made by u.s. president ronald reagan in west berlin on friday, june 12, 1987, calling for the leader of the soviet union, mikhail gorbachev, to open up the barrier which had divided west and east berlin since 1961.

the difference is that white collar worker performs skills like worker as a scientist or well blue collars do physical work and they do services like being a cook.