Start with the geography, then the population, then the economy, then the social structure & values/outlook, and finally government & politics. After that the things we call "events" acquire some context. Without it they're empty, meaningless things that just happened, or more often didn't - at least not as they're portrayed.
Historians study the past!! :)
Study is the present tense. Studied is the past tense.
The past tense of "study" is "studied."
The past participle of "study" is "studied."
I had studied.The past perfect is formed with - havd +past participle.The past participle of study is studied
Studied is the past tense of study.
The simple past and past participle are both studied.
The study of past life on earth called Paleontology. The study of past human life and societies is called anthropology. The study of past lives that you may have had is the study of reincarnation.
Studied is the past participle of study. Studying is the present participle.
The simple past tense is studied.
The past participle of "study" is "studied."
The past form of study is "studied."