What is a open field system

I don't no

Open field system - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Open_field_system)

What are reasons the slave trade is wrong ?

Do you really need someone to answer that for you?

Apparently she does, Em. Bet this is homework - someone asked this same question not too long ago.

Read through the following to get an idea of why the slave trade was wrong.
The Slave Trade and the Abolition Campaign (http://www.garstangfairtrade.org.uk/slave_trade.htm)
Then ask yourself how you would feel if someone came and forced you into slavery?

Why do these kids ask these questions instead of doing a Google search on their own??