Translation of "Abolish" in Chinese

How can we abolish war?

我們怎樣才能停止戰爭？

We should abolish the death penalty.

我们应该废除死刑。

Lincoln set out to abolish slavery in the United States.

林肯决心在美国废除农奴制。

- We should do away with the death penalty.
- We should abolish the death penalty.

- 我們應該廢除死刑。
- 我们应该废除死刑。