PLEASE HELP I"LL GIVE BRAINLIST?!?!??! Which statement was NOT a strategy used by American engineers to dig the Panama Canal?

A series of locks on each end of the Canal lifts ships to the lake.

The canal was built to sea level, allowing ocean water to fill the canal.

The creation of Gatún Lake reduced the need for digging.

The main excavation took place in the Culebra Cut

1. according to the article, the chinese government has tried to control its people in all of the following ways except: question 1 options: create and spread propaganda in the media censorship of the media allowing people to create their own social media deleting people's social media posts without their permission when a government has total control over its citizens, including the media, it is a of government question 2 options: constitutional monarchy parliamentary democracy autocracy presidential democracy according to the article, "social credit" is question 3 options: an experiment to people talk on-line a farming experiment that hurt people under mao ze dong using someone else's data from the internet, to give or take away things such as the right to buy an airline ticket a credit you get in china for having friends in real life, and not just on social media china wants to take control over social media in which other region? question 4 options: taiwan chile japan hong kong