the truth of the matter is that many Israelis believe that this built-up of settlements on less than 5% of West Bank territory interfered with all the peace processes over time. The Palestinians interpreted it as infringement on their future state's territory and many Israeli policians had concerred the same. What really convinced the political right of implementing the two states resolution was the demographic issue and the U.N. support for the Palestinian state.
U.S. to defend Syrian rebels with airpower, including from Assad (Reuters)
from the article: Was the settlement enterprise a strategy to buy time?