How have al-qaeda and osama bin laden affected u. s. policy in the post cold-war era? i need this answer fast!

Simply put, their actions have caused an increase in the amount of security in our country. The technology for public safety also has been greatly developed in the post cold war era. In terms of policies I would say there are more limitations/restrictions to things you can bring on a plane and things like that. Hope this helps...

it allows shippers to carry commercial goods, which allows them to save time and money.

rescuing someone who is in danger. hope this : )