How did marco polo contribute to european exploration

Identify the example of when situation and time are key to assessing risk of harm in a research study: a study on the efficacy of a behavioral intervention for smoking cessation involves both adults and teenagersasking women if they have had an abortionresearch on the prevalence of hiv-infected individuals in communitiesa survey about sexually transmitted diseases

Are people more motivated to change from positive or negative experiences, like slavery, womens rights, and any other historical movements/moments? i need more factual information than opinions.

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