Pioneer settlers were sometimes pulled west<span> because they wanted to make a better living. Others received letters from friends or family members who had </span>moved west<span>. These letters often told about a good life on the frontier. The biggest factor that pulled </span>pioneers west was the opportunity to buy land. On their journeys which were thousands of miles, they encountered disease, treacherous roads and enemies.<span> Traveling rough roads in covered wagons often resulted in death from failed river crossings, accidents or Indian attacks.</span>
? you should probably add the choices so we can give you the correct answer
We knew that it would also cause a chain reaction of war..