Complex sentence: The Suez Crisis contributed to the adoption of a new national flag of Canada in 1965, as the Egyptian government had objected to Canadian peacekeeping troops on the grounds that their flag at that time included a British ensign.
Split into simpler sentences: The Suez Crisis contributed to the adoption of a new national flag of Canada in 1965. The Egyptian government had objected to Canadian peacekeeping troops on the grounds that their flag at that time included a British ensign.