Caribbean languages are usually a mix of native American, African and European languages.
It's because slaves from Africa brought their language with them, learnt some American from the natives and also a lot from the colonizators. Later it evolved into a few similar Caribbean languages.
For example Jamaican Patois is a mix of American (mostly), French, Spanish, Ghanuan and Bantu.
A. Both sides dug trenches so it was almost impossible for either side to advance.
19.96 million is the population of Romania