https://eblog.eb.mil.br/w/a-importancia-geopolitica-da-ucrania-para-moscou?p_l_back_url=/web/guest?delta=7&start=3&tag=defesa&tag=geopol%C3%ADtica&tag=integra%C3%A7%C3%A3o&tag=la%C3%A7os+hist%C3%B3ricos&tag=v%C3%ADrus