1.   But the piecemeal efforts of its millions of Chinese members have at the very least created a nationwide web of like-minded people that effectively undercuts the government ban.

2.   Since the office has no local branches, it is building a nationwide web of local contacts whom immigrants can turn to for federal help.

3.   This nationwide web of mutual debts has forced most businessmen to accept barter for services and goods.

4.   Helping to realize those plans, Luan said, was an integrated nationwide web of skilled scientists, technicians and managers.