They have blood-relations everywhere.

A ripple here may mean there's a wave in Russia, or London, or New York.

I've known at least one Arab blood-feud over here that began with a quarrel between a Jew and a Christian in Chicago." "Are the Zionists as dangerous as the Arabs seem to think ?" I asked.
"Yes and no.

Depends what you call danger.

They're like an incoming tide.