Someone please talk to me i am so bored

Historians are concerned with the accuracy of their writings and readings but are also aware of the inability of authors to know every angle of every story biases, perspectives, beliefs, and a variety of other differences history being told by one person at a time no one being totally accurate, as hard as we try really need on this, and you^^

What is the most necessary information that happened in the titanic movie

Which of the following is/are a major technological advances of the mayan civilization? a. the calendar c. math b. architecture d. all of the above