Least and Most restrictive

Tariffs
Subsides
Sanctions
Embargos

Least - Subsidies

Most - Embargos

Explanation:

All of the options are the things that a government can do to limit the amount of trades with another country.

In subsidies, the local government provided helps for local businesses to compete with the products from another country. This does not necessarily made any direct restriction to the foreign products

In Embargoes, a government completely prohibited any form of economic transaction with another country. usually, this only be done if two countries are involved in a war.

the answer is a wheel

acts of terrorism occur globally. the united nations global counter-terrorism strategy was created in order to build adequate systems of support and solidarity with victims of terrorism. here´s a summary of the proposed key themes: the importance of giving victims a face and a voice; protecting their dignity; giving victims legal status and defending their legal rights; providing victims with medical, psycho-social and financial support; building solidarity with victims; improving media coverage of victims; and focusing on the link between victims and counter-terrorism efforts more generally.