source: French reviews of the offensive, found that reserves had moved close to the front, ready to exploit a breakthrough and had advanced on time, then bunched up with the leading divisions, blocked the lines of communication and suffered many casualties while held up.
target: French reviews of the offensive, found that reserves had moved close to the front. The reserves were ready to exploit a breakthrough. They had advanced on time. They then bunched up with the leading divisions. They blocked the lines of communication. They suffered many casualties while held up.
references: French reviews of the offensive, found that reserves had moved close to the front. The reserves were ready to exploit a breakthrough. They had advanced on time. They then bunched up with the leading divisions. They blocked the lines of communication. They suffered many casualties while held up.