The answer that would convey yearning would be longing. It wouldn't be melancholy pretty much means sad.
Longing ex: She was longing for one of her grandmother's hugs.
Answer:
2. My bicycle was stolen last night
3. St Paul's Cathedral was designed by Christopher Wren
4. Why were the pyramids built?
5. Our old house was destroyed by fire.
6. The new rules were introduced last week.
America is built on the concept of capitalism, which has certainly taken a tole on those within it's government system. Big corporations control our country as we empty our pockets and fill theirs. Our society is no longer what it was intended to be. Our country was founded with the idea of freedom, now we are imprisoned by large corporations that grow bigger every minute. This causes us as individuals to become more materialistic and begin to devalue sentimental things. We have become slaves to our own system.
(I don't know how long it needs to be, but I can write more if you need)
