He stood up against slavery, even when everyone else was for it.

We had been helped in our fight against slavery for a long time.

He was the first senator to make a stand against slavery.

White people who were against slavery got me to Canada.

In 1854, a group of people who were against slavery started Lawrence.

During his tenure, he took a strong stand against slavery.

There was, however, a growing movement against slavery in Britain.

His last public act was to petition Congress against slavery.

An example of this is that he fights against slavery.

He also supported the campaign against slavery in the province.