This map shows several Trans-Saharan trade routes, which flourished between 600 and 1450. The map best supports the idea that

peoples across Northern Africa were in contact with one another.

Explanation: I think

pope john paul ii ( his real name is karol wojtyla) and lech walesa ( the leader of the solidarity movement ) were both born in poland.

in the 1950s, country music came into its own before rock-n-roll took off in the 60s while jazz and classical music continued to innovate