When i forgot my lock combination, i couldn’t get into my locker. what type of causal relationship is shown in this sentence?

one cause; one effect

Explanation:

The effect, in this case, it not being able to get into the locker. It is a single effect. What were the causes of such a thing? There was actually only one. The cause is clearly stated: to forget the locker combination. We here have a relationship of cause and consequence. One cause only, and one consequence only.

b. cronkite, a trusted television personality, declared that the war was unwinnable and told the american people that the government had better find a way out

even though it went against everything the news anchors typically stood for, cronkite voiced an opinion and took a stance, telling the us that there was no way they were going to win, the war was going to end in a stalemate. 

motion can be transfered from one object to another by having an objetct in motion push or hit it