Which theory suggests that a country should produce and export those goods and services for which it is relatively more productive than other countries and import those goods and services for which other countries are relatively more productive?

depends.

explanation:

answer; collective security;

i truly dont know the answer wait i do its 1,3,4

the following men who did not in the unification of italy were.

a) giuseppe mazzini

c) alexander ll

the other two men were camilo cavour and giuseppe garibaldi they the unification of italy by yielding territories in the italian unification. in 1861 italy was declared a united-nation state under the sardinian king victor immanuel ll.