A buttress is a certain kind of architectural structure. An example sentence would be: He designed that buttress in 5 months.
The buttress supports the roof above the statues (n.)
An example is a protectionist trade policy would be a tariff on imports, or quotas on the volume of imports.
The search term buttress flying -"Chartres Cathedral" would yield those pages.
The shield buttresses the man.
Signing a treaty with Russia to increase military cooperation would not be an example of U.S. foreign policy.
A buttress is most often useful in architectural structures where a brick or masonry wall needs reinforcing strength. The most common circumstance would be a corner exterior wall.
Imperialism
An example is a protectionist trade policy would be a tariff on imports, or quotas on the volume of imports.
Appointing a friend to a political position
A banana is a non-example. Having just that bit of information tells you absolutely nothing about the position of anything else.
No, because the economic policy is basiccly jobs and unemployment would be the oppisite of that. So yeah.