Number 4. The infinitive is "to practice" it is "to" followed by a verb
Answer:
The Great Depression was caused by the stock market crash of 1929- this led America into this economic crisis. And it even worsened during the 1930 dust bowl. The depression was so hard on everyone because unemployment reached 20%, industrial production rates fell, and many more reasons
Explanation: let me know if you need anything more specific :)
