Leadership is most appropriate when the group is dealing with emotional issues, and harmony, solidarity, and high morale are needed.

Expressive leadership.

Explanation:

Expressive leadership is the type of leadership that focus on keeping a group together. Expressive leader tries to keep friendly, loving and healthy relationships and make sure every one in their group are in good conditions. This type of leaders turns out to be the best bosses one can work with if one has that opportunity, but expressive leaders tends to lack basic organizational skills and can be inefficient.

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explanation:

with the profits from the european sales, merchants purchased europe's manufactured  goods, including tools and weapons. then the merchants shipped those manufactured  goods, along with the  american  sugar and rum, to west africa where they were bartered for  slaves.