Pottok the Losino, the Galician, the Landais, and the Monchino horses. Tests have revealed considerable genetic differences between populations in the Northern Basque Country and the Southern Basque Country, leading some to consider them separate breeds. Some claim the Pottok's origins derive from the horses on ancient cave paintings in the area and thus claim to descend from the Magdalenian horses of 14,000–7000 BC. Other link its origins to an influx of horses during the Bronze Age. However, neither of these theories has to date been scientifically verified. Genetic research by the University of the Basque Country's Genetics, Physical Anthropology and
Half-Breeds (politics) they perceived as being only half Republican. In the 1880 Republican National Convention, the Stalwart candidate, former president Ulysses S. Grant, was pitted against Half-Breed James G. Blaine for the party nomination. Grant's campaign was led by Stalwart leader Roscoe Conkling of New York, the state with the biggest split between Stalwarts and Half-Breeds. Despite Conkling's attempts at imposing a unit-rule in the Republican National Convention by which a state's votes would be grouped together for only one candidate, a number of Stalwarts went against him by vocalizing their support for the Half-Breed Blaine. The Half-Breeds united to defeat the