Small businesses can go a long time without suing another party or being sued. Then, suddenly, you find yourself in strong disagreement with another party. At the bottom of this disagreement is a contract, and agreement both sides agreed to.
Working together with someone to achieve a goal is a great feeling. Cooperation can get you much further than you ever would have gotten by yourself. In many ways, this is the concept behind a business partnership. Two people or parties come together and agree, on legal terms, to work together and create a burgeoning company with lofty aspirations.