With new technological advancements there was no longer a need for as many workers and companies could now pay workers less due to the job being easier, in some countries such as England or the US this lead to revolts and rebellions, the likes of which paved the foundation of communism
Answer:
<em>The default file format in PowerPoint version 2007 or newer is </em><u><em>pptx</em></u><em>.</em>
i hope this helps, mark me brainliest
