Which sentence is a compound-complex sentence? O Many historians believe a theory that cultures stretching from
India to Ireland can trace their roots back to one ancestor.
O History has repeatedly shown that the ship of state is run best
when its leadership is based on great ability.
O Since Stu likes doing art projects, we put him in charge of making
the gift, and we got a card.
- O The artists of the Renaissance, such as Michelangelo, created
some of the most powerful art in history.

Since Stu likes doing art projects, we put him in charge of making the gift, and we got a card.

Explanation:

Compound-complex sentence is the type of sentence in which its structure is made up of two or more independent clauses and one or more dependent clause.

Independent clauses are those which aren’t dependent, can be referred to as a complete sentence and express a complete thought.

Dependent clause are those which are dependent,can’t be referred to as a complete sentence and doesn't express a complete thought.

3. republican abraham lincoln

4. south carolina

5. charleston, south carolina

6. confederates

7. minie bullet - made defense even safer, it spun faster, traveled further and was five times more accurate than any single-man weapon. able to kill at half a mile, it was the largest contributor to battle wounds

      or the the gatling gun - the most successful of several rapid-fire guns that were born before the war. its efficiency in killing only made war more deadly.

idk which one u learned about. pick one.

8. the south was fighting to maintain its way of life, whereas the north was fighting to maintain a union. so they had will, and the north were fighing on unfamiliar territory

9. union had the large population, people to fight in the war and work in the factories to make war materials, industrial base, the factories to make these war materials. the union also was wealthier than the confederacy and could finance the war.

10. stonewall jackson

11. chancellorsville

12. gettysburg

13. sherman

some of these might be wrong but i tried my best.   : )

answer: your option is d

explanation: