The answers are they, he, and she
For 1. Available
2. convincing
3. vain
In line 1, the phrase "an antique land" means a land....."With long history". Lines 4 and 5 most strongly suggest that Ozymandias was<span>Arrogant.
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Feudalism helped protect communities from the violence and warfare that broke out after the fall of Rome and the collapse of strong central government in Western Europe. Feudalism secured Western Europe's society and kept out powerful invaders. Feudalism helped restore trade. Lords repaired bridges and roads.