roman medical science included iron tooth implant, hellenistic tourniquet and arterial surgical clamps true or false

Most aqueducts were constructed below the surface, with only small portions above ground supported by arches. Sometimes, where valleys deeper than 50 metres (165 ft) had to be crossed, inverted siphons were used to convey water across a valley. The Romans also made major advancements in sanitation.

the answer would be choice c, cave paintings.

a. because the u.s. was the leading with the most technology, economy, etc. also was teamed with other allies witch boosted the economy and materials to improve technology and use it.