The phrase "was dependent" refers to a situation in which something relies on external support or assistance to function properly. There are many synonyms for this phrase, including interconnected, reliant, interdependent, hooked, hooked up, contingent, subordinate, conditional, conditional upon, and predicated on. Each of these words carries slightly different connotations and shades of meaning, but all refer to a situation in which something cannot operate independently and must rely on other factors to achieve its goals or maintain its integrity. Understanding the nuances of each synonym can help writers choose the right word to accurately convey their intended message and tone.