以下句子的语法是否正确?

问题描述:

以下句子的语法是否正确?
The factory would be sure to increase traffic in area, causing traffic jam and making children unsafe to play outside.

有少许错误.我把完整的正确的句子写下来,你参考一下哦O(∩_∩)O哈哈~The factory would be sure to increase traffic problems in this area, causing traffic jams and making children unsafe to play outside....