Complex sentence: Maka was an important early eastern satrapy of Cyrus the Great founder of the Achaemenid Empire corresponding to modern day Bahrain, Qatar, and United Arab Emirates, plus the northern half of Oman and also Balochistan and Sindh province of Pakistan.
Split into simpler sentences: Maka was an important early eastern satrapy of Cyrus the Great, founder of the Achaemenid Empire. Makra corresponds to modern day Bahrain, Qatar, and United Arab Emirates, plus the northern half of Oman as well as Balochistan and the Sindh province of Pakistan.