Question

forming the united nations
realizing the devastation of world war ii, the international community decided it needed a stronger global peace - keeping organization than the league of nations, which had failed to prevent world war ii. thus led to the formation of the united nations (un).
new strategies
unlike its predecessor - the league of nations - the un is still operating today. the un has also widened its focus to address a broader range of global security concerns than just warfare. the uns peace - keeping forces, comprised of volunteers from member nations, shows its commitment to crisis intervention without aggressive military actions.
holistic global security
the united nations tackles global security from various angles, including military concerns as well as health, food security, and economic stability.
lessons learned from the league
the league of nations had been weak and ineffective in preventing world war ii. the united nations was a major improvement over the league of nations; it had a better structure and was able to adapt to the changing nature of global issues.
how was the united nations an improvement from the league of nations?
strict adherence to traditional warfare
improved structure and a wider focus
increased military strength

Explanation:

The text states UN had better structure and wider - scope focus on global security compared to League of Nations.

Answer:

improved structure and a wider focus