从而 has the similar meanings with so or therefore. And here are some examples: 我给他举了很多关于语法的例子，从而使他现在对中文的理解更透彻了。 It means I gave him a lot of examples of grammar, so he now has a more thorough understanding of Chinese. 网络突破了人们交流的空间限制，从而使人们互相交流更加便利了。 The internet breaks through the space limitation of people's communication, so it is more convenient for people to communicate with each other .

政府要求人们减少出门，从而降低人们感染新冠的概率

When you ask a question, the better way is to attach your question in English.

“从而”表示结果或进一步的行动。 例子：你可以多看书，从而增加自己的知识阅读量。

我把花放在花瓶里，从而使它们存活。