An alliance is a connection formed by people, groups, or states who have come together for mutual benefit or to achieve a common goal, whether or not they have reached an express agreement.
Rather than fighting, European nations forged a series of alliances, or agreements, with one another. The agreements were intended to settle conflicts. They also guarded the nations' and their colonies' interests. These partnerships were formed to calm worries and keep the great countries at peace.
Thus, Option C is correct option.
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