1.) which were achievements of the chaldean empire? a.) hanging gardens of babylon; ishtar gate; precise observations of the stars b.) abu simbel; knowledge of medicine; code of hammurabi c.) ishtar gate; zoroastrianisn; invention of iron d.) transportation infrastructure; nineveh; knowledge of time-keeping can anyone me? i have been stuck on this one for awhile now. i have read/researched and still can't find i'm just over looking it but i can't find the answer. i will give the first person to answer this the brainliest(however you spell it) actually , don't just type an answer!