In the heyday of portography clubs, roughly between 1890 and 1940, what did much of the world consider photography to be?

Explain briefly why it's to choose a chord progression before developing the harmony.

Need some ! asap i need to figure out 3 major changes in bridges over time and why these changes to adapt to both improvements in technology and changing social links would also alot.

In "a dream within a dream," which phrase is a context clue to the meaning of grasp / them with a tighter clasp?