Question

The historical period is subdivided by historians into ________,________-and ________ periods .​

Answer 1

The historical period is subdivided into three cateogaries

1 Ancient history

2 Medieval history

3 Modern history

Answer 2

$Historians \: divide \: the \: past \\ \:  into \: large \: segments \: — \: periods \: — \: that \\ possess \: shared \: characteristics.$

1. Ancient
2. medieval
3. modern