How does being proactive play a vital role in the practice of a strategic angle to human resource management? (Your answer should incorporate relevant Chapter 1 concepts, including corporate strategy, external and internal environment, proactive, and line of sight in human resource strategy; also, integrate notions from the other chapters to develop and back your answer). Roughly 3 paragraphs, about 300 words.

(Note: When backing your answer, use your own examples to support your ideas, not those from the text or other source).