Thy expomin led hardships for Native Americans. HUH??

I love a good word puzzle but this was beyond me. The other night Ben asked me to help him study for a test. He hands me his notes and asks me to read them and ask him questions about the information. Little did I know I was going to have to have experience in hieroglyphics. See the following example:

We ended up having a good time studying anyway. I read what it looked like and he translated. I hope he did okay on the test. :)