A unilateral blockade.
Nuclear weapons cannot be used for most conflicts.
But about 30 middle East countries discovered they can bring the highly leveraged US to their knees by mining/drone attacking the two middle east shipping chokepoints.
Strait of Hormuz — Iran, Oman, United Arab Emirates; very near: Saudi Arabia, Qatar, Bahrain, Kuwait, Iraq
Bab el-Mandeb — Yemen, Djibouti, Eritrea; very near: Saudi Arabia, Somalia, Egypt, Sudan, Oman
(maybe add the straits of singapore too)
This would actually be great for Canada; we have nearly as much oil as the Saudis, not to mention huge LNG reserves and one of the best climates in the world for refining.
It's a bit more expensive to extract than well drilling but the main impediment has been "environmentalism", which is really just a cover for zionism. I'm convinced Israel has been working to centralise global oil production in the region they're in the provess of conquering.
How come Venezuelan oil isn't making even a tiny difference in the price hikes, even after the recent American intervention there? It wasn't to open it to the market, it was to shut it down so ME (read: Israeli controlled) oil would be the only option.