The answer to the crossword puzzle for the term 'WHAT WAS DUE FOR SOME PIONEERS?' is WEST. This is a reference to the westward expansion of the United States in the 19th century, when pioneers moved WEST in search of new opportunities and land. The phrase 'what was due' implies that the pioneers were owed something, and the answer of WEST suggests that they were owed the chance to explore and settle the western part of the country.