The table lists several forces that could incite organization change at Twitter. For each item, categorize the force as an internal or external force.

Force

Internal

External

Clashing personalities of top leaders

Needs of paid advertisers for new ad formats

Decision to add new features to platform

Twitter$$s organizational changes were $($Proactive$,$ or Planned, or Reactive$)$ because they came in response to forces inside and outside the organization.