Which event happened first during the siege of the alamo?

Which of the following statements is true about germany's use of u-boats?

This photo shows an early mesoamerican structure, specifically from the zapotec culture. what was this structure most likely used for? a.creating terraces for farm fieldsb.practicing religious ceremoniesc.playing a ball game with stone hoopsd.protecting a city from invading armies

The mongols were descendants of a. pastoral nomadic tribes b. tibetan tribes c. shang nobility