It is possible to have what would be considered contradicting personality traits. true or false

Were african-americans allowed to serve in the military in wwi?

Which country was the first to industrilzalize on the content of europe

Can someone answer these question about vasco de gama for me: when? (when did he started his travel)from where & to where? (from where he was and then where he went to)motives? (what was his motives for traveling)accomplishments & discoveries? i will give you 15 star for answering all of these, you so much.