Question

the new material was challenging to work with.
glass beads allowed dakota artists to create more
intricate designs.
they eventually replaced handmade beads.
even though so ← joining words
① combine the sentences into one sentence. use both of the joining words.
type your answer here.

Explanation:

To combine the sentences, we need to show the contrast (using "even though") between the new material being challenging and the result (using "so") of glass beads allowing more intricate designs and replacing handmade beads. So we structure it as: Even though the new material was challenging to work with, glass beads allowed Dakota artists to create more intricate designs, so they eventually replaced handmade beads.

Answer:

Even though the new material was challenging to work with, glass beads allowed Dakota artists to create more intricate designs, so they eventually replaced handmade beads.