Why is experience working on a cross-functional team particularly valuable for a person who aspires to a career in management?

Why is experience working on a cross-functional team particularly valuable for a person who aspires to a career in management?
Why is experience working on a cross-functional team particularly valuable for a person who aspires to a career in management?
Why is experience working on a cross-functional team particularly valuable for a person who aspires to a career in management?