What are some of the major arguments against an open trading system? check all that apply?

The monetary case for an open trading system in light of multi-laterally concurred rules is sufficiently basic and lays to a great extent on the business sound judgment. Be that as it may, it is additionally bolstered by proving: the experience of world exchange and financial development since the Second World War. Duties on mechanical items have fallen steeply and now normal under 5% in modern nations. 

Below are some of the major argument against an open trading system:

1. Countries must secure their vital enterprises 
2. Unhindered commerce causes the uprooting of household firms and specialists

A)30b)29c)28d)31hope this .