What situation within the Incan empire gave Francisco Pizarro a major advantage during his conquest?

The empire was very small and easy to control.

The Inca had no organized army.

The empire was weakened by a recent civil war.

The Incan emperor immediately surrendered to him.

Besides forming alliances, what other advantage was crucial for the Spanish conquistadors' victories in battle?

Their knowledge of the local geography.

Their immunity to all local illnesses.

The use of steel weapons and horses.

Their ability to speak native languages.

Relying only on better weapons.

They only attacked during the night.

They formed partnerships with rival native groups.

They had larger and more experienced armies.

They paid tribute to the emperors to gain trust.

He waited for thousands of reinforcements to arrive from Spain.

He persuaded native groups who disliked Aztec rule to join him as allies.

He captured and retrained Aztec soldiers to fight for the Spanish.

He promised to share all of the Aztec gold equally with his soldiers.