The flat-styled map illustrations are best for big company presentations globalizing the whole world. These illustrations have a minimal color theme with boldly outlined maps
Country
Country presentation for Google slides themes includes easily editable country flags and icons which can be used as an additional design element for your presentation work. Free country templates for powerpoint includes many features like add geographical and climatic conditions, demographic slides, history, and evolution, etc. Use these or download free presentation templates here.

Country Flag Goolge Slides helps to take evry bit of information for the latest flags adopted by countries. You can take look onto Flag History

American History PowerPoint Template details the tradition of the american evolution, its culture, tribal life, ornaments, etc. Use this free History themes in Google slides

Political Election Powerpoint template gives us the idea of who to choose our representative in upcoming elections. Political Rallies includes campaigns by individuals or parties