How did Louis IV try to prevent the Luxembourgs from opposing him?

To prevent the Luxembourgs from opposing him, Louis IV employed a combination of strategic alliances, territorial concessions, and diplomatic maneuvering:

• Strategic Encirclement: In 1331, Louis entered into a secret covenant with the Habsburgs to partition the inheritance of Carinthia-Tirol. By securing this agreement, he aimed to encircle John of Bohemia and force him to withdraw from his position as an imperial vicar in Italy.1
• Diplomatic Isolation: Louis worked to isolate John of Bohemia by issuing a formal waiver of his own claims to the Tirol, which successfully pressured John to renounce his claims to Italy, declare himself a vassal, and acknowledge Louis as emperor in 1339.1
• Attempted Conciliation: Following a final rupture with the house of Luxembourg, Louis attempted to propitiate them by offering one of his daughters in marriage and ceding Lower Lusatia.1
• Earlier Efforts: Previously, Louis had attempted to pacify John of Bohemia through the donation of Upper Lusatia in 1320 and by arranging marriages between their respective families.2

Despite these efforts, the Luxembourgs continued to negotiate with Louis while simultaneously encouraging the pope to renew heresy proceedings against him, ultimately leading to the election of Charles of Moravia as king in 1346.1