Why dose free movement and no internal borders pose a problem to security for the EU?

Residents of moldova are mainly a. russian b. ukrainian c. serbian d. romanian the answer is d. romanian

All of the following came out of china and were exchanged along the silk road, except a. papermaking b. block printing c. buddhism d. compasses select the best answer from the choices provided a b c d

Migrant workers who fill employment needs in their host country often send remittances to their home countries