Which historical management theorist argued that you have to recognize the utter impossibility of winning "unless every man on the team obeys the signals or orders of the coach and obeys them at once when the coach gives those orders"?

Sally mitchell works as a manager at an environmental organization. she is currently working on a global warming project and decides which tasks related to creating awareness about the issue need to be done. in addition, she is also deciding which members of her team will work on engaging with the public and which will work on lobbying with the government. she is also assigning people as team members to ensure that tasks are undertaken on time. which of the following categories of functions is mitchell undertaking? envisioning organizing controlling planning