Answer:
Military and diplomatic tensions diminished between 1972 and 1980 as the two superpowers engaged in dialogue, frecuent contacts and agreed to reduce their nuclear stockpiles (SALT Treaty) and to boost bilateral trade. US president Richard Nixon and Soviet secretary-general Leonid Brezhnev met at three summits between 1972 and 1974.
Explanation:
He inherited the principality of Moscow
Answer:
canals were built primarily in the north
The disagreement with the Catholic Church that was most influence by the Renaissance idea of humanism was that it was wrong for the Church to sell indulgences, since this implied that humans could not have a strong, individual relationship with God.