Russia’s achievements in the late nineteenth century include all of the following except .

leading producers of steel, iron, and oil

large colonial holdings in africa

cities connected by rail and telegraph

a worlds famous author and composer

Russia's achievements in include being a leading producer of steel, iron and oil and cities connected to rails and telegraphs and also a worlds famous author and composer but except large colonial holdings in Africa.

Explanation:

Russia could not achieve overseas colonized because of two reason: one, they were not united until 1871 and second they were more focused on expansion towards Eastern Europe.

And also many were involved in the dutch and British east India company due to which they did not require Russia to be active in trading.

the answer would be c. sediment buildup on continental slope

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