What does david smith mean by a “world city (aka global cities)” what role do they play in the global system?

Asports equipment manufacturer has pressed charges against its brand ambassador and baseball legend, glenn kent , on the charges of committing breach of contract. being a federal civil case, glenn has demanded a trial by jury. which amendment of the bill of rights allows glenn to make such a demand? a. amendment 5 b. amendment 6 c. amendment 7 d. amendment 8