First, it is worth noting that there is no conflict, since a conflict requires two parties who are both trying to achieve contrary objectives and resorting to fighting in kind (oral vs. oral, militant vs. militant, etc.). As the Jews were not able to bring any such force to bear against the Gentiles, there can be no conflict, only subjugation or emancipation. The negative interactions between Jews and Gentiles are numerous throughout history. Most arise from cultural differences, real or perceived. The Gentiles have sought to extinguish the Jews many times.
Chat with our AI personalities
For some 4-5 centuries, the Romans exercised an increasingly tight grip on the Holy Land, with crushing taxation and, occasionally, harsh anti-Torah decrees. During that time, there were some instances of Jewish revolt; most famously that of the Zealots (about 1946 years ago) and that of Bar Kokhba (about 1877 years ago).
They were Jews.
To keep them from mixing with gentiles
Because religion fosters war and conflicts. There is no conflict between Jews and Muslims as such. There are conflicts that pit Jews and Muslims against one another, such the the Israeli-Arab and Israeli-Palestinian Conflict, there is no Holy War by either religion targeting the adherents of the other.
The records do not say but they most likely would be Jews.
The Apostle Paul was one of the main people who ministered to the gentiles (non-Jews)