1) She strengthed her resolve to overcome any obstacle in her way.

2) With each challenge he faced, his determination only strengthed.

3) The team's bond was strengthed through their shared victories.

4) The company's reputation was strengthed by their commitment to quality.

5) His leadership skills were strengthed after completing a management course.

6) The friendship between the two girls was further strengthed by their summer trip together.

7) The athlete's physical endurance was strengthed through rigorous training sessions.

8) The community's unity was strengthed during times of hardship.

9) The teacher's confidence was strengthed when her students excelled on the exam.

10) The bond between the siblings was strengthed as they grew older.