Plz help!!
Choose the word or phrase that best completes each sentence.

Romans developed which allowed engineers to build complex structures and roads.

Romans supplied water to their cities by building

Roman engineers invented the world’s first

1. Romans developed CONCRETE, which allowed engineers to build complex structures and roads.

2. Romans supplied water to their cities by building AQUEDUCTS.

3. Roman engineers invented the worlds firsts FLUSHING TOILETS.

answer; taking up arms to defend the nation;

1(a) traditional methods of production are upheld.

2(d) to convert private property to state-owned property

3b) feudalism

5(a) question

6(c) to preserve the past

7(d) the opportunity to make a profit

8(b) get paid by the government

could not do 4 sorry. . hope this