Complex sentence: A 25,000 km (15,534 mi) march through the Brazilian countryside, the march did not aim to defeat the enemy forces of the Federal government, but rather to ensure the insurrectionists' survival and their ability to continue threatening the federal government.
Split into simpler sentences: A 25,000 km (15,534 mi) march through the Brazilian countryside. The march did not aim to defeat the enemy forces of the Federal government, but rather to ensure the insurrectionists' survival and their ability to continue threatening the federal government.