What is diplomacy?

Limiting contact to trade only, or not taking action
Resolving conflict through peaceful discussion and cooperation
Taking specific action against or in another country
Using military and leadership to take control of an area

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Taking specific action against or in another country

Explanation: The main purpose of diplomacy is to strengthen the state, nation, or organization, it also serves in relation to others by advancing the interests in its charge. hence, diplomatic activity endeavours to maximize a group's advantages without the risk and expense of using force and preferably without causing resentment. Diplomacy simply means the skill for dealing with people effectively in a positive way including the foreign relations with other countries. Diplomacy can be defined as the art and practice of conducting negotiations between representatives of states. Diplomacy entails influencing the decisions and conduct of foreign governments and officials through dialogue, negotiation, and other nonviolent means.

1.3x - 2 - (3.3x + 5) = 2x + 1

1.3x - 2 - 3.3x - 5 = 2x + 1

-2x - 7 = 2x + 1

-7 = 4x + 1

-8 = 4x

x = -2