I think that you forgot to give the choices along with the question. I am answering the question based on my knowledge and research. Merchant explorer Anthony Glass traveled up the Red <span>River to trade goods with American Indians at a large trade fair in 1808. I hope that the answer has helped you.</span>
Hitler's invasion of Poland in 1939 also known as the September Campaign.
Answer:
C. lack of collaboration
Explanation:
Collaboration is the method of two or more people or organizations operating collectively to complete a task or accomplish a goal. Collaboration is similar to cooperation.When there is no collaboration there is a lack of communication and task cannot be accomplished and problems our within a team.