There are two countries in Europe that recognize the Romany (or gypsy) language as an official minority language, and those are the Republic of Kosovo and the Municipality of Shuto Orizari within the administrative borders of the Macedonian capital Skopje.
If you look at a map from that time, you'll see that the state of Oklahoma used to be Indian territory. And Oklahoma is right above Texas. That means there could be stray bullets hitting innocent tribe members.
The industrial Revolution created a demand among American and European business men, and consequently politicians, for new markets.