Answer: 1: The main reason that conflict increased between the Virginia Colonists and the Powhatan Indians was because the Powhatan were being pushed off their lands to accommodate the Colonists. Then Captain John Smith was captured by the Powhatan Indians and Pocahontas saved his life.
2: The conflict between American settlers and Native Americans was usually over territorial rights. Settlers saw the Native Americans to be obstacles to "progress". The Native Americans quite understandably were shocked to see that land that had been their homelands for centuries were now at the mercy of swarms of settlers and US Treaties that were created to basically greatly restrict where they could live.
Violence over land rights reached a serious level of violence. Much of it at the hands of settlers against the Native Americans.
The disputed lands were for the most part under Federal control. The idea that this was a capitalist vs socialist dispute is strange to say the least. Ideas that state capitalists believe they can own public resources to the exclusion of society is self contradictory.
The idea that Native Americans were socialists would mean that they have control over the means of production. Native American tribes hunted and were growers of crops and many were also very nomadic. They respected to a point the presence of other Native American tribes, however, it was their custom to stay in recognized boundaries.
Europeans came here and imposed their society on the Native Americans, this imposition was in direct contrast of every single cultural value practiced in this land for 10,000 years before they came here. Most societies soon learned that the Europeans were not human by the standards of these cultures, they were something outside of nature.
Settlers would break treaties, bringing on disputes that led to violence. Federal treaties took advantage of Native Americans. This again led to more disputes and violence. For example, settlers and Native Americans agreed to share land but the settlers broke many of the treaties.
Sadly many Americans viewed Native Americans as inferior beings and "savages".
They stood in the way of the "Divine Providence" idea that meant that God had ordained the Continental USA to be under the control of the new Americans.
In the United States many of the conflicts between American settlers and Native Americans were territorial problems. The Federal Government would designate certain areas as "Indian reservations" thereby hoping to clear away territory for settlers. In many cases the settlers simply took over areas that were entitled to Native Americans. The resulting conflict might then escalate to violence. In other situations, Federal "announcements" to Native Americans were unclear or misunderstood. Again the result was the settlers taking control of certain territory that the Native Americans believed had been designated as theirs. This resulted in conflicts to the point of violence.
Center to the territorial problems between Native Americans and settlers was the idea that Native Americans were in the way of the American idea the "Divine Providence" notion that meant God had destined the USA to reach from coast to coast, and that Christians were meant to dominate all areas in between.
Thus Native American claims to their homelands that existed for hundreds of years, were invalid. The "reservation" system was for all practical purposes, a one sided arrangement that placed Native Americans at a disadvantage.
The history of massacres between the two groups became an ingrained mindset between the settlers and Native Americans. The US citizen view that Native Americans were wild and inferior savages added weight to incursions by the settlers.