Which of the following was the most significant invention for the progression of the early film industry?

glass negatives

paper negatives

shutters

still cameras

Why are exchange rates needed as part of international trade? It keeps the value of world currencies from going up or down. Exporters prefer to be paid in their home country's currency. All international trade is conducted in United States dollars.

How were the Greeks able to defeat the persain fleet even though they were outnumbered

How did the Immigration Act of 1965 change U. S. immigration policy? A) Instead of being judged on their criminal records, people simply paid a fee to immigrate.

The constitution reserve the power to provide for and supervise schools for

Which technological innovation in Texas was MOST driven by the national demand for Texan resources? A) lumber mills B) military facilities C) the railroad system D) aerospace facilities

Would there be a han dynasty without the qin dynasty?

Which of the following is a promise advertisers cannot make promoting their fitness product? A. "You can improve your cardio with our three days per week dance lessons." B. "You can strengthen your core completing the ab work series." C.

What is the role of each aspect of the American system

which of the following is an example of the legislative branch checking the judicial branch in the US government

What principle of the constitution is clearly demonstrated in the process of a bill becoming a law