In what two ways were the Crusades considered successful? 1.They reopened trade with the Middle East during the fourteenth century.
2.They permanently reclaimed the Holy Land for the Catholic Church.
3.They allowed the exchange of ideas and learning with the Arabs.
4.They united all of Europe as the Holy Roman Empire.

One and Three

1.They reopened trade with the Middle East during the fourteenth century.

3.They allowed the exchange of ideas and learning with the Arabs.

Explanation:

The Crusades (1095-1212) was an endeavor by the Roman Catholic Church to recover the Holy Lands from the Muslims. A few Crusades occurred during this timespan. Despite the fact that the underlying Crusade was fruitful, later Crusades not just appeared to dismiss their unique reason yet additionally seemed, by all accounts, to be a reason for savagery and robbery that harmed the notoriety of the Catholic Church around the world. The Crusades subsequently was just fruitful to the Third Crusade on the grounds that the first campaigns had an unmistakable, sorted out, religious-based reason, and later campaigns inside and out bombed because of uncouthness and greed

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b. the right to wage war and make peace