Started under former President Frei, the Popular Unity platform also called for nationalization of Chile's major copper mines in the form of a constitutional amendment.
Dimulakan di bawah kekuasaan mantan Presiden Frei, kerangka Kesatuan Rakyat juga dipanggil untuk menasionalisasi tambang-tambang tembaga utama Chili dalam wujud amendemen konstitusi.