Why has the issue of free trade triggered political conflict?

a) Workers in manufacturing and agriculture tend to be more supportive of free trade, while consumers tend to be opposed to free trade because it increases the prices of goods.

b) Protectionists embrace free trade policies as job creators, while opponents of protectionism advocate for domestic interests.

c) While some groups, like consumers, stand to gain from free trade policies, others in industries such as manufacturing may be hurt by the policies if factories and jobs are shifted overseas.

d) Border states tend to be opposed to free trade, while non-border states tend to advocate for free trade agreements.