What expiriment was mentioned that targeted black males as "guinea pigs" in the study of syphillis effects over time?

The national women's suffrage association was formed in 1869 to obtain rights for women.

If the rights to intellectual property are not sold or given away who owns the intellectual property

Choose all that apply. from the lesson, which of the following can lead to an empire's collapse? the forming of other empires internal problems na poor economy no one wants to lead unhappy citizens