The main objection studied in political schools:
Globalization causes new global problems which lead to a situation where actions in one country affect another country, or even the rest of the world (as an example - the 2008 economical crisis). Globalization comes with an interdependence of the problems that happen around the world and requires greater collaboration between countries.
A voilent protest, threats towards a school or a threat to a federal ran business such as a post office some banks police station etc.
I did something super similar to this but I forgot