How long does the Proterozoic Eon last for? 541 million years
1,500 million years
1,959 million years
543 million years

What empire controlled most of the middle east except for a few years between 1516 and 1917, where was the capital of this empire located and what was the geographic extent of this empire?

What were some effects of the peace of westphalia

Which sentence below best demonstrates a sarcastic tone